Most Repeated Physics MCQs for Pak Navy Sailor Test

If you’re preparing for the Pakistan Navy Sailors Physics Tests, mastering Physics MCQs is crucial to secure your selection—whether for General Branch, Marine, or Technical Sailor roles. Physics forms a core part of the written exam, testing your understanding of motion, forces, electricity, and basic mechanics. Many candidates struggle due to weak conceptual clarity or lack of practice. This guide provides highly repeated Physics MCQs, key formulas, and expert tips to help you score maximum marks and pass the Pak Navy Sailor Test in your first attempt.

How to Prepare Physics for Navy Sailor Entry Test

Pak Navy Sailors Physics Tests (Part-1)

Q. Which disease is caused by a virus?
A) Measles
B) AIDS
C) Both above
D) None of the above
Answer: C

Q. A heat engine converts:
A) Heat energy into chemical energy
B) Heat energy into mechanical energy
C) Heat energy into electrical energy
D) Heat energy into potential energy
Answer: B

Q. Why is alcohol sometimes used as a thermometric liquid?
A) Low freezing point
B) Ability to conduct heat
C) Low density
D) Cohesive properties
Answer: A

Q. Which branch of Physics studies motion under force?
A) Thermodynamics
B) Statistical Mechanics
C) Mechanics
D) Electrostatics
Answer: C

Q. Which of the following is a fundamental quantity?
A) Area
B) Candela
C) Acceleration
D) Velocity
Answer: B

Q. Which of these is a vector quantity?
A) Length
B) Volume
C) Mass
D) Velocity
Answer: D

Q. The point where force produces linear acceleration without rotation is called:
A) Centre of the body
B) Centre of mass
C) Centre of frame
D) Weight of the body
Answer: B

Q. What is the SI unit of acceleration?
A) km-s²
B) Cm s²
C) ms²
D) m-s²
Answer: C

Q. The fundamental unit of angular motion is:
A) Velocity
B) Kinetic energy
C) Volume
D) Momentum
Answer: D

Q. The power of a convex lens with 50m focal length is:
A) 3 cm
B) 8 cm
C) 2 cm
D) 9 cm
Answer: B

Q. 1 mole of gas contains how many molecules?
A) 6.02×10²⁶
B) 6.02×10²²
C) 60.2×10²⁶
D) 6.02×10²⁸
Answer: A

Q. Why are white clothes worn in hot climates?
A) Radiators
B) Reflectors
C) Emitters
D) Absorbers
Answer: B

Q. When glass is rubbed with silk, it charges by:
A) Creation of charge
B) Distortion of lines
C) Friction
D) Separation of charge
Answer: D

Q. What device detects and measures current?
A) Galvanometer
B) Ammeter
C) Voltage
D) Avometer
Answer: A

Q. Potential difference is:
A) Inversely proportional to current
B) Directly proportional to current
C) Directly proportional to resistance
D) Inversely proportional to temperature
Answer: B

Q. What is the process of taking oxygen into the body and removing carbon dioxide called?
A) Reduction
B) Respiration
C) Filtration
D) Excretion
Answer: B

Q. Which acid helps convert pepsinogen to pepsin in the human body?
A) Hydrochloric acid
B) Sulphuric Acid
C) Acetic Acid
D) Lactic Acid
Answer: A

Q. Who discovered X-rays?
A) Rongten
B) Maxwell
C) Lawmark
D) Clark
Answer: A

Q. Who formulated the three equations of motion?
A) Lawmark
B) Pascal
C) Maxwell
D) Newton
Answer: D

Q. What is the smallest particle of an element that can participate in chemical reactions?
A) Photon
B) Atom
C) Proton
D) Electron
Answer: B

Q. Which process maintains constant system volume?
A) Isochoric process
B) Isothermal process
C) Isobaric process
D) Adiabatic process
Answer: A

Q. What does 100°C correspond to in Fahrenheit?
A) 32°F
B) 180°F
C) 212°F
D) 273°F
Answer: C

Q. What can slow down neutrons?
A) Protons
B) Electrons
C) Photons
D) X-rays
Answer: A

Q. Which unit is different from the others?
A) Volt
B) Watt-hour
C) Watt-sec
D) Electron Volt
Answer: A

Q. What happens to gravitational acceleration (g) as you move away from Earth’s surface?
A) Increases
B) Zero
C) Decreases
D) None of these
Answer: C

Q. How is angular momentum (L) defined?
A) L = mv
B) L = r x F
C) L = r x P
D) L = mv x r
Answer: C

Q. Through what medium can sound waves travel?
A) Wavelength
B) Material medium
C) Vacuum
D) Non-metals
Answer: B

Q. How is 0.00023 expressed in scientific notation?
A) 23×10⁴
B) 2.3×10⁻⁴
C) 2.3×10⁻³
D) 2.3×10⁻⁴
Answer: B

Q. Which physics branch studies nuclear particles and structure?
A) Plasma Physics
B) Nuclear Physics
C) Solid state Physics
D) Particle Physics
Answer: B

Q. Which of these is a vector quantity?
A) Density
B) Power
C) Charge
D) Impulse
Answer: D

Q. What is the SI unit of torque?
A) Newton-meter
B) Dynamical meter
C) Newton
D) Joule
Answer: A

Q. What is it called when a body’s velocity doesn’t increase equally in equal time intervals?
A) Uniform acceleration
B) Variable acceleration
C) Average acceleration
D) Instantaneous acceleration
Answer: B

Q. Which sound property is affected by air temperature changes?
A) Wavelength
B) Amplitude
C) Intensity
D) Frequency
Answer: A

Q. What is the diameter of a lens called?
A) Radius of curvature
B) Optical Centre
C) Aperture
D) Principal axis
Answer: C

Q. What happens when light enters glass from air?
A) Wavelength decreases
B) Wavelength increases
C) Frequency decreases
D) Frequency increases
Answer: A

Q. How can the number 70345 be written in scientific notation?
A) 7.0345×10⁴
B) 7.0345×10²
C) 703.45×10³
D) 7034.5×10²
Answer: A

Q. What is the dot product of unit vectors î·ĵ = ĵ·ĵ = k̂·k̂ equal to?
A) 0
B) 1
C) -1
D) i²
Answer: B

Q. What is the distance covered by a body in unit time called?
A) Velocity
B) Retardation
C) Acceleration
D) Speed
Answer: D

Q. What is the shortest distance between two fixed points called?
A) Velocity
B) Angular displacement
C) Distance
D) Linear displacement
Answer: D

Q. What are the dimensions of work?
A) MLT⁻¹
B) MLT⁻²
C) ML²T⁻²
D) MLT
Answer: C

Q. What is the energy called when a body’s position changes?
A) Kinetic Energy
B) Elastic Energy
C) Potential Energy
D) Nuclear Energy
Answer: C

Q. Where are Pakistan’s nuclear power reactors located?
A) Lahore, Karachi
B) Karachi, Chashma
C) Quetta, Chashma
D) Multan, Karachi
Answer: B

Q. What is crude oil in its natural form?
A) Unusable
B) Very cheap
C) Very useful
D) None of these
Answer: A

Important Physics Formulas for Sailor Technical Branch Test

Pak Navy Sailors Physics Tests (Part-2)

Q. What is the relationship between frequency (f) and time period (T)?
A) f = 1/T
B) f = 2πT
C) f = 1/2πT
D) f = T/2π
Answer: A

Q. What determines a sound’s sweetness or harshness?
A) Harmonics
B) Wavelength
C) Frequency
D) Amplitude
Answer: C

Q. What is light bending between media called?
A) Refraction
B) Diffraction
C) Dispersion
D) Reflection
Answer: A

Q. In what unit is lens power measured?
A) Meter
B) Newton
C) Joule
D) Dioptre
Answer: D

Q. Which molecular property is identical for all gases at a given temperature?
A) Velocity
B) Kinetic Energy
C) Momentum
D) Mass
Answer: B

Q. How is gas pressure defined?
A) Energy per unit volume
B) Mass per unit volume
C) Force per unit area
D) Energy per unit area
Answer: C

Q. What is the SI unit of heat energy?
A) Joule
B) Kilocalorie
C) Calorie
D) None of these
Answer: A

Q. How many electrons make one coulomb of charge?
A) 1.6×10⁻¹⁸
B) 62.2×10¹⁸
C) 6.2×10¹⁸
D) Zero
Answer: C

Q. What happens to wire resistance when temperature increases?
A) Increases
B) Decreases
C) Remains constant
D) May decrease or increase
Answer: A

Q. How does AC current direction behave?
A) Keeps charging
B) Keeps reversing
C) Cannot be found
D) None of these
Answer: B

Q. What does an atom’s atomic number represent?
A) Neutrons
B) Protons
C) Electrons
D) Positrons
Answer: B

Q. The smallest particle of an atom is ……
(A) Molecule
(B) Electron
(C) Photron
(D) None of the above
Answer: B

---

Q. A(an) ……is used to electronically link the parts of a computer.
(A) Microchip
(B) Battery
(C) Bus
(D) Operating system
Answer: C

---

Q. The atomic number of an atom is equal to its number of ……
(A) Electron
(B) Protons
(C) Both the above
(D) None of the above
Answer: C

---

Q. Power is expressed in terms of base units as ……
(A) Kg m²
(B) kg m²s⁻³
(C) kgm⁻¹ s⁻²
(D) All above
Answer: B

---

Q. In SI system, unit of force is ……
(A) Newton
(B) Pound
(C) Dync
(D) Joule
Answer: A

---

Q. X-rays were discovered by:
(A) J.J.Thomson
(B) Crooks
(C) Lorentz
(D) Roentgen
Answer: D

---

Q. Scalar Product of a vector A with itself is:
(A) A
(B) A²
(C) 2A
(D) A/2
Answer: B

---

Q. Rate of change of displacement is called ……
(A) Acceleration
(B) Speed
(C) Velocity
(D) None of these
Answer: C

---

Q. The work done will be negative if the angle between force F and displacement D is:
(A) 30∘
(B) 60∘
(C) 90∘
(D) 180∘
Answer: D

---

Q. When the mass and speed of a body are doubled, the K.E becomes ……
(A) 3 times
(B) 4 times
(C) 8 times
(D) 16 times
Answer: C

Q. The motion of Planets and Galaxies around the Sun is due to ……
(A) Magnetic Force
(B) Gravitational Force
(C) Electromagnetic Force
(D) Electric Force
Answer: B

---

Q. The centre of gravity is also called:
(A) Centre of Buoyancy
(B) Centre of Mass
(C) Metacentre
(D) None of the above
Answer: B

---

Q. SI unit of frequency is:
(A) Vibrations²
(B) Radian
(C) Hertz
(D) ms⁻¹
Answer: C

---

Q. Loudness of sound depends upon:
(A) Pitch
(B) Ear alone
(C) Frequency
(D) Intensity of sound and ear
Answer: D

---

Q. Which one of the following properties of light does not change with the nature of the medium?
(A) Velocity
(B) Wavelength
(C) Amplitude
(D) Frequency
Answer: D

---

Q. A lens which is thicker in the middle and thinner at the edges is called:
(A) Concave lens
(B) Convex lens
(C) Plano-concave lens
(D) Plano-convex lens
Answer: B

---

Q. The speed of light in vacuum depends upon:
(A) Time period
(B) Frequency
(C) Wavelength
(D) None of these
Answer: D

---

Q. Fibre Optic system allows ……
(A) Word processing
(B) Image processing
(C) Receiving equipment to Operate
(D) All the above
Answer: D

---

Q. The amount of heat required to raise the temperature of one mole of a substance through 1K is called:
(A) Heat Capacity
(B) Heat of Fusion
(C) Molar Specific Heat
(D) Specific Heat
Answer: C

---

Q. The electric lines of force are ……
(A) Imaginary
(B) Physically existing everywhere
(C) Physically existing near the charges
(D) Depends upon the case
Answer: A

---

Q. The relation ΔVq= represents ……
(A) Ampere Law
(B) Electric heat
(C) Pressure
(D) Potential difference
Answer: D

---

Q. Variable capacitors are used in ……
(A) Television only
(B) Radio and Television
(C) All electrical Circuits
(D) Radio only
Answer: B

---

Q. Which one of the following has the high value of resistivity?
(A) Gold
(B) Silver
(C) Amber
(D) Wood
Answer: C

---

Q. Device used for converting A.C into D.C is called ……
(A) An Amplifier
(B) An Asciicator
(C) A Voltmeter
(D) A Rectifier
Answer: D

---

Q. An orbiting electron in an atom emits radiations when it ……
(A) Jumps from one orbit to another
(B) Is brought to rest
(C) Revolving in higher orbits
(D) Revolving in permitted orbits
Answer: A

Best Book for Pak Navy Sailor Physics Test Preparation

Pak Navy Sailors Physics Tests (Part-3)

Q: The word “Science” is derived from the ______ word.
a) Greek
b) Latin
c) French
d) German
Correct Answer: b) Latin

---

Q: The knowledge gained through observations and experimentations is called ______.
a) Philosophy
b) Science
c) Mathematics
d) Art
Correct Answer: b) Science

---

Q: The word science is derived from the Latin word ______ which means knowledge.
a) Scientia
b) Sapientia
c) Scire
d) Scholar
Correct Answer: a) Scientia

---

Q: When various aspects of material objects are to be studied under a single subject, it is called ______.
a) Natural Philosophy
b) Biology
c) Chemistry
d) Astronomy
Correct Answer: a) Natural Philosophy

---

Q: The science which deals with the study of Non-living things is called ______.
a) Biological sciences
b) Physical sciences
c) Earth sciences
d) Social sciences
Correct Answer: b) Physical sciences

---

Q: The science which deals with the study of living things is called ______.
a) Physical sciences
b) Biological sciences
c) Chemical sciences
d) Environmental sciences
Correct Answer: b) Biological sciences

---

Q: The study of motion of objects, its causes and effects is called ______.
a) Optics
b) Mechanics
c) Thermodynamics
d) Electromagnetism
Correct Answer: b) Mechanics

---

Q: The study of physical aspects of light, its property, working and use of optical instruments is called ______.
a) Sound
b) Light (Optics)
c) Heat
d) Electricity
Correct Answer: b) Light (Optics)

---

Q: The study of charges at rest and in motion, their effects and their relationship with magnetism is called ______.
a) Nuclear Physics
b) Electricity and Magnetism
c) Geophysics
d) Plasma Physics
Correct Answer: b) Electricity and Magnetism

---

Q: A branch of physics that deals with the physical aspects of sound waves, their production, properties and aspects is called ______.
a) Optics
b) Sound
c) Heat
d) Mechanics
Correct Answer: b) Sound

---

Q: The study of the structure and properties of items is called ______.
a) Nuclear Physics
b) Atomic Physics
c) Geophysics
d) Plasma Physics
Correct Answer: b) Atomic Physics

---

Q: The fourth state of matter is called ______.
a) Solid
b) Liquid
c) Gas
d) Plasma
Correct Answer: d) Plasma

---

Q: The study of production, properties of the ionic state of matter is called ______ Physics.
a) Nuclear
b) Plasma
c) Atomic
d) Geophysics
Correct Answer: b) Plasma

---

Q: The branch of physics that deals with the properties and behavior of nuclei and the particles within the nuclei is called ______ Physics.
a) Nuclear
b) Atomic
c) Plasma
d) Geophysics
Correct Answer: a) Nuclear

---

Q: The study of the internal structure of the earth is called ______.
a) Astrophysics
b) Geophysics
c) Biophysics
d) Plasma Physics
Correct Answer: b) Geophysics

---

Q: All measurable quantities are called ______ quantities.
a) Derived
b) Physical
c) Base
d) Scalar
Correct Answer: b) Physical

---

Q: Length, Mass, Time and Temperature are the ______ quantities.
a) Derived
b) Physical
c) Base
d) Vector
Correct Answer: b) Physical

---

Q: A physical quantities posses at least ______ characteristics in common.
a) One
b) Two
c) Three
d) Four
Correct Answer: b) Two

---

Q: Physical quantities are divided into base quantities and ______ quantities.
a) Derived
b) Scalar
c) Vector
d) Complex
Correct Answer: a) Derived

---

Q: There are ______ physical quantities which form the foundation for other physical quantities.
a) Five
b) Six
c) Seven
d) Eight
Correct Answer: c) Seven

---

Q: The seven physical quantities which form the foundation for other physical quantities are called ______ quantities.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: The length is called ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: Mass is called ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: Electric Current is ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: Temperature is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: Amount of substance is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: The physical quantities i.e., length, mass, time, electric current, temperature, intensity of light and amount of substance are called ______ quantities.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: The physical quantities which are expressed in terms of base quantities are called ______ quantities.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: The physical quantities i.e., area, volume, speed, force, work, energy, power, electric charge, electric potential are called ______ quantities.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Area is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Volume is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Speed is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Force is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Work is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Energy is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Power is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Electric Charge is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: Electric Potential is a ______ quantity.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: a) Derived

---

Q: 1 Liter = ______ mL
a) 10
b) 100
c) 1000
d) 10000
Correct Answer: c) 1000

---

Q: 1 mL = ______ cm³
a) 0.1
b) 1
c) 10
d) 100
Correct Answer: b) 1

---

Q: 1 Liter = ______ cm³
a) 10
b) 100
c) 1000
d) 10000
Correct Answer: c) 1000

---

Q: The SI unit of Length is called ______.
a) Kilogram
b) Meter
c) Second
d) Ampere
Correct Answer: b) Meter

---

Q: The SI unit of Mass is called ______.
a) Kilogram
b) Meter
c) Second
d) Ampere
Correct Answer: a) Kilogram

---

Q: The SI unit of Time is called ______.
a) Kilogram
b) Meter
c) Second
d) Ampere
Correct Answer: c) Second

---

Q: The SI unit of Electric Current is called ______.
a) Kilogram
b) Meter
c) Second
d) Ampere
Correct Answer: d) Ampere

---

Q: The SI unit of Intensity of Light is called ______.
a) Candela
b) Meter
c) Second
d) Ampere
Correct Answer: a) Candela

---

Q: The SI unit of temperature of is called ______.
a) Kelvin
b) Meter
c) Second
d) Ampere
Correct Answer: a) Kelvin

---

Q: The SI unit of Amount of Substance is called ______.
a) Mole
b) Meter
c) Second
d) Ampere
Correct Answer: a) Mole

---

Q: The SI unit of Speed is ______.
a) ms⁻¹
b) ms⁻²
c) N
d) Pa
Correct Answer: a) ms⁻¹

---

Q: The SI unit of Acceleration is ______.
a) ms⁻¹
b) ms⁻²
c) N
d) Pa
Correct Answer: b) ms⁻²

Top 5 Tips to Solve Physics MCQs in Sailor Initial Test

Pak Navy Sailors Physics Tests (Part-4)

Q: The SI unit of Volume is ______.
a) m³
b) ms⁻¹
c) N
d) Pa
Correct Answer: a) m³

---

Q: The SI unit of Force is ______.
a) N or kgms⁻²
b) ms⁻¹
c) m³
d) Pa
Correct Answer: a) N or kgms⁻²

---

Q: The SI unit of Pressure is ______.
a) Pa or Nm⁻²
b) ms⁻¹
c) m³
d) N
Correct Answer: a) Pa or Nm⁻²

---

Q: The SI unit of Density is ______.
a) Kgm⁻³
b) ms⁻¹
c) m³
d) N
Correct Answer: a) Kgm⁻³

---

Q: The SI unit of Charge is ______.
a) C or (As)
b) ms⁻¹
c) m³
d) N
Correct Answer: a) C or (As)

---

Q: The words or letters added before SI units such as Kilo, Mega, Giga and mill are called ______.
a) Suffixes
b) Prefixes
c) Units
d) Quantities
Correct Answer: b) Prefixes

---

Q: 1 km = ______ m
a) 10
b) 100
c) 1000
d) 10000
Correct Answer: c) 1000

---

Q: 1 cm = ______ m
a) 0.01
b) 0.1
c) 1
d) 10
Correct Answer: a) 0.01

---

Q: 1 mm = ______ m
a) 0.001
b) 0.01
c) 0.1
d) 1
Correct Answer: a) 0.001

---

Q: 1 μm = ______ m
a) 10⁻⁶
b) 10⁻⁵
c) 10⁻⁴
d) 10⁻³
Correct Answer: a) 10⁻⁶

---

Q: 1 nm = ______ m
a) 10⁻⁹
b) 10⁻⁸
c) 10⁻⁷
d) 10⁻⁶
Correct Answer: a) 10⁻⁹

---

Q: A simple way to write large or small numbers is to express them in some power of ten is called ______.
a) Scientific Notation
b) Decimal Notation
c) Binary Notation
d) Standard Notation
Correct Answer: a) Scientific Notation

---

Q: The distance of Moon from the Earth is ______ m.
a) 3.84 x 10⁸
b) 3.84 x 10⁷
c) 3.84 x 10⁶
d) 3.84 x 10⁵
Correct Answer: a) 3.84 x 10⁸

---

Q: A length measuring instrument which is commonly used in laboratories to measure length of an object or distance between two points is called ______.
a) Vernier Caliper
b) Meter Rule
c) Screw Gauge
d) Measuring Tape
Correct Answer: b) Meter Rule

---

Q: Length of Meter rule is equal to the ______ cm.
a) 10
b) 50
c) 100
d) 1000
Correct Answer: c) 100

---

Q: Each centimeter (cm) is divided into ______ small divisions called millimeter (mm).
a) 5
b) 10
c) 100
d) 1000
Correct Answer: b) 10

---

Q: The instrument which is used to measure length in meters and centimeters is called ______.
a) Vernier Caliper
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: c) Measuring Tape

---

Q: The accuracy upto 1 mm can be obtained by using ______.
a) Vernier Caliper
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: b) Meter Rule

---

Q: The instrument which is used for measurement greater than 1 mm is called ______.
a) Vernier Caliper
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: a) Vernier Caliper

---

Q: Least count of Vernier caliper is ______ mm.
a) 0.01
b) 0.1
c) 1
d) 10
Correct Answer: b) 0.1

---

Q: Least count of Vernier caliper is ______ cm.
a) 0.001
b) 0.01
c) 0.1
d) 1
Correct Answer: b) 0.01

---

Q: An instrument which is used to measure small lengths with accuracy greater than a Vernier Caliper is called ______.
a) Vernier Caliper
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: d) Screw Gauge

---

Q: Least Count of Screw Gauge is ______ cm.
a) 0.001
b) 0.01
c) 0.1
d) 1
Correct Answer: a) 0.001

---

Q: Least Count of Screw Gauge is ______ mm.
a) 0.001
b) 0.01
c) 0.1
d) 1
Correct Answer: b) 0.01

---

Q: Least count of Ruler is ______ mm.
a) 0.1
b) 1
c) 10
d) 100
Correct Answer: b) 1

---

Q: The instrument which is used to measure the time interval of an event is called ______.
a) Stop Watch
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: a) Stop Watch

---

Q: There are two types of Stop Watches i.e., Mechanical watch and ______ watch.
a) Analog
b) Digital
c) Quartz
d) Atomic
Correct Answer: b) Digital

---

Q: A stopwatch which can measure a time interval upto a minimum 0.1 second is called ______ Stopwatch.
a) Mechanical
b) Digital
c) Quartz
d) Atomic
Correct Answer: a) Mechanical

---

Q: A stopwatch which can measure a time interval as small as 1/100 second or 0.01 second is called ______ stopwatch.
a) Mechanical
b) Digital
c) Quartz
d) Atomic
Correct Answer: b) Digital

---

Q: There are ______ significant digits in the number 345.
a) 2
b) 3
c) 4
d) 5
Correct Answer: b) 3

---

Q: There are ______ significant digits in the number 2507.
a) 2
b) 3
c) 4
d) 5
Correct Answer: c) 4

---

Q: There are ______ significant digits in the number 275.00.
a) 2
b) 3
c) 4
d) 5
Correct Answer: d) 5

---

Q: There are ______ significant digits in the number 0.0267.
a) 2
b) 3
c) 4
d) 5
Correct Answer: b) 3

---

Q: There are ______ significant digits in the number 0.002507.
a) 2
b) 3
c) 4
d) 5
Correct Answer: c) 4

---

Q: A branch of science which deals with matter, energy and their relationship is called ______.
a) Chemistry
b) Physics
c) Biology
d) Mathematics
Correct Answer: b) Physics

---

Q: A measurable quantity is called ______ quantity.
a) Derived
b) Physical
c) Base
d) Scalar
Correct Answer: b) Physical

---

Q: A world-wide system of measurements is known as ______ system.
a) SI
b) CGS
c) FPS
d) MKS
Correct Answer: a) SI

---

Q: In system international there are ______ base quantities.
a) 5
b) 6
c) 7
d) 8
Correct Answer: c) 7

---

Q: Meter, kilogramme, second, ampere, Kelvin, candela and mole are ______ quantities.
a) Derived
b) Base
c) Scalar
d) Vector
Correct Answer: b) Base

---

Q: A way to express a given number as number between 1 and 10 multiplied by 10 having an appropriate power is called ______.
a) Scientific Notation
b) Decimal Notation
c) Binary Notation
d) Standard Notation
Correct Answer: a) Scientific Notation

---

Q: An instrument which is used to measure small lengths such as internal or external diameter or length or length of cylinder is called as ______.
a) Vernier Calipers
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: a) Vernier Calipers

---

Q: An instrument which is used to measure small length such as diameter of a wire, thickness of metal sheet is called ______.
a) Vernier Calipers
b) Meter Rule
c) Measuring Tape
d) Screw Gauge
Correct Answer: d) Screw Gauge

---

Q: An instrument which is used to measure small masses by comparison with greater accuracy is called ______.
a) Vernier Calipers
b) Physical Balance
c) Measuring Tape
d) Screw Gauge
Correct Answer: b) Physical Balance

---

Q: Equation i.e., S=vit+1/2at² is called ______ equation of motion.
a) First
b) Second
c) Third
d) Fourth
Correct Answer: b) Second

---

Q: Vf=vi+at equation is called ______ equation of motion.
a) First
b) Second
c) Third
d) Fourth
Correct Answer: a) First

---

Q: vf²=vi²+2aS is ______ equation of motion.
a) First
b) Second
c) Third
d) Fourth
Correct Answer: c) Third

Online Practice of Physics Quiz

Sailors Online Practice Quiz

Join Shaheen Forces Academy Here

FAQs