**SI Units of Measurement MCQ with Answers**

Units of measurement MCQ with answers are very helpful for people getting ready for the Army Navy and Pakistan Air Force admission exams. Physics is a key subject and is covered in these multiple-choice questions. These units of measurement multiple-choice questions (MCQs) are helpful for candidates who want to join the PN Cadets because they give a thorough understanding of units of measurement, which is a basic concept in physics.

A solid understanding of units of measurement is essential to achieving success in the academic exams, regardless of the candidate’s career goals, be it the Navy Operation, Navy Supply, or Navy Ordnance branches.

**SI Units of Measurement MCQ (Part-1)**

**In the SI system, the unit of length is ________.**(meter)

**The unit of mass in the SI system is ________.**(kilogram)

**The SI unit of time is ________.**(second)

**The unit of electric current in the SI system is ________.**(ampere)

**The SI unit of temperature is ________.**(kelvin)

**The amount of matter is measured in the ________ SI system.**(mole)

**The SI unit of light intensity is ________.**(candela)

**The prefix “kilo-” indicates the coefficient of ________.**(1000)

**The prefix “mili-” means the factor ________.**(0.001)

**The micro SI prefix symbol is ________.**(Î¼)

**The SI unit of force is ________.**(newton)

**The unit of energy in the SI system is the ________.**(joule)

**Power is measured in the ________ SI system.**(watt)

**The SI unit of electric charge is ________.**(coulomb)

**The unit of electric potential in the SI system is the ________.**(volt)

**Convert 500 grams to kilograms: 500 grams = ________ kilograms.**(0.5)

**Convert 2.5 meters to centimeters: 2.5 meters = ________ centimeters.**(250)

**Convert 3 hours to seconds: 3 hours = ________ seconds.**(10.800)

**Convert 50 kilometers per hour to meters per second: 50 kilometers per hour = ________ meters per second.**(13.9)

**SI Units of Measurement Physics MCQ Question**

Units of measurement physics MCQ questions are a useful tool for candidates in the Army Navy and Pakistan Air Force academic exams. Specifically, candidates in the Navy Weapon Engineering Branch can benefit greatly from these MCQs because they offer a thorough understanding of the nuances of measurement units, which is crucial for success in the test.

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**Units of Measurement MCQ (Part-2)**

**Convert 2.5 millimeters to meters: 2.5 millimeters = ________ meters.**(0.0025)

**Convert 500 joules to kilojoules: 500 joules = ________ kilojoules.**(0.5)

**Convert 4.8 kilometers to miles: 4.8 kilometers = ________ miles.**(2.98)

**Convert 30 seconds to minutes: 30 seconds = ________ minutes.**(0.5)

**Convert 2.5 kilograms to grams: 2.5 kilograms = ________ grams.**(2500)

**Convert 100 miles per hour to meters per second: 100 miles per hour = ________ meters per second.**(44.7)

**Convert 500 milliliters to liters: 500 milliliters = ________ liters.**(0.5)

**Convert 20 degrees Celsius to Fahrenheit: 20 degrees Celsius = ________ degrees Fahrenheit.**(68)

**Convert 1.5 meters per second to kilometers per hour: 1.5 meters per second = ________ kilometers per hour.**(5.4)

**Convert 2.5 micrograms to grams: 2.5 micrograms = ________ grams.**(0.0000025)

**Convert 500 newtons to kilonewtons: 500 newtons = ________ kilonewtons.**(0.5)

**Find the number of significant figures in 0.00540: ________.**(3)

**Round 4.869 to three significant figures: ________.**(4.87)

**Do the math: (2.1 + 3.45) / 2.3 = ________.**(2.7)

**Determine the number of significant figures in 1000: ________.**(1)

**Round 0.00689 to two significant figures: ________.**(0.0069)

**Calculate: 4.21 Ã— 2.893 = ________.**(12.16)

**Units of Measurement Physics MCQ**

It is impossible to overestimate the importance of units of measurement physics MCQ in the academic assessments given to GD Pilots in the Pakistan Air Force and the PAF Aeronautical Engineering department. Aspiring pilots and aeronautical engineers can improve their comprehension of physics ideas by working through these units of measurement multiple-choice questions (MCQs) that cover a wide range of topics relating to units of measurement.

These multiple-choice questions assist to the effective preparation of applicants for the PAF Admin & Special Duty Branch, PAF Logistics Branch, and PAF Air Defence Branch by focusing on physics topics that are in high demand.

**Units of Measurement MCQ (Part-3)**

**Determine the number of significant figures in 1200.0: ________.**(5)

**Rounded 0.00235 to four significant figures: ________.**(0.0024)

**Calculate: 6.72 + 0.0034 = ________.**(6.7234)

**Find the number of significant figures in 50: ________.**(1)

**Round 0.000789 to two significant figures: ________.**(0.00079)

**Do the math: 8.5 / 2.3 = ________.**(3.7)

**Determine the number of significant figures in the number 10,050: ________.**(5)

**Round 0.00012345 to three significant figures: ________.**(0.000123)

**Calculate: (3.56 Ã— 2.1) + 0.019 = ________.**(7.435)

**The prefix “mega-” indicates the coefficient ________.**(1,000,000)

**The symbol for the prefix “micro” is ________.**(Î¼)

**The prefix “kilo-” indicates the coefficient ________.**(1000)

**The prefix “mili-” indicates the factor ________.**(0.001)

**The prefix “nano-” indicates a factor of ________.**(0.000000001)

**The symbol for the prefix “giga-” is ________.**(G)

**The prefix “deci-” indicates a factor of ________.**(0,1)

**The prefix “senti-” means the factor ________.**(0.01)

**The symbol for the prefix “pico-” is ________.**(p)

**The prefix “mega-” is equivalent to ________ in scientific notation.**(10^{6})

**Physics Units of Measurement MCQ with Answers**

Physics units of measurement MCQ with answers are very helpful for candidates taking the Army Education Officers’ test and the Technical Cadet Course. The physics fundamentals covered in these multiple-choice questions are crucial to the academic assessments given to Army Education Officers and Technical Cadet Course participants.

These units of measurement multiple-choice questions (MCQs), which place a heavy emphasis on units of measurement, offer thorough covering of the relevant subjects and guarantee that applicants are ready for their particular exams.

**Units of Measurement MCQ (Part-4)**

**The symbol for the prefix “mili-” is ________.**(m)

**The prefix “micro-” is equivalent to ________ in scientific notation.**(10^{-6})

**The symbol for the prefix “grain” is ________.**(T)

**The prefix “kilo-” equals ________ in scientific notation.**(10^{3})

**The symbol for the prefix “nano-” is ________.**(n)

**The process of checking the dimensional compatibility of equations is known as ________.**(dimensional analysis)

**The ________ principle says that the units on both sides of an equation must be the same.**(dimensional homogeneity)

**The SI unit of speed is ________.**(meters per second)

**Acceleration scale is ________.**(meters per second squared or m/s^{2})

**The measure of force is ________.**(kilometers per second squared or kgÂ·m/s^{2})

**The scale of work or energy is ________.**(kilometer squared squared or kgÂ·m^{2}/s^{2})

**The measure of force is ________.**(kilometer squared second cubed or kgÂ·m^{2}/s^{3})

**The pressure scale is ________.**(kilometers per second squared or kg/mÂ·s^{2})

**The relationship between distance, time and speed is given by the equation ________.**(velocity = distance/time)

**The density scale is ________.**(per cubic kilometer or kg/m^{3})**The relationship between force, mass and acceleration is given by the equation ________.**(force = mass Ã— acceleration)

**The scale of momentum is ________.**(kilometers per second or kgÂ·m/s)

**The relationship between work, force and motion is given by the equation ________.**(work = force Ã— displacement)

**Multiple Choice Questions on Units and Measurements with Answers**

Multiple-choice questions on units of measurement with answers are helpful not only for prospective military members but also for civilians looking to enlist in Pakistan’s armed services. These units of measurement multiple-choice questions (MCQs) cover a significant portion of physics and give a strong foundation in units of measurement, both of which are essential for acing academic exams.

These multiple-choice questions (MCQs) are an invaluable tool for anyone preparing for army, navy, and air force exams because they feature highly searched terms like army navy, PAF branches, and defense forces.

**Units of Measurement MCQ (Part-5)**

**The scale of angular velocity is ________.**(radians per second or rad/s)

**The relationship between pressure, force and area is given by the equation ________.**(pressure = force/area)

**The SI unit of velocity is ________. (meter per second)The derived unit of acceleration is ________.**(meter per second squared)

**The unit of force is derived from the units ________ and ________.**(mass and acceleration)

**The SI unit of energy is ________.**(joule)

**The derived unit of power is ________.**(watt)

**The unit for pressure is derived from the units of ________ and ________.**(force and area)

**The SI unit for frequency is the ________.**(hertz)

**The derived unit for electric charge is the ________.**(coulomb)

**The unit for electric potential is derived from the units of ________ and ________.**(energy and charge)

**The SI unit for electric current is the ________.**(ampere)

**The derived unit of electrical resistance is ________.**(ohm)

**The unit of electrical capacitance is derived from the units ________ and ________.**(charge and potential).

**The derived unit of magnetic flux is ________.**(weber)

**The unit of magnetic field strength is derived from the units ________ and ________.**(force and electric current)

**The SI unit of angular velocity is ________. (radian per second)Precision refers to the ________ of measurement.**(repeatability or consistency)

**Precision refers to how close the measured value is to the ________ value.**(true or accepted)**The difference between a measured value and the true value is called the ________.**(error)

**The SI unit for error is the ________.**(same as the unit being measured)

**The process of eliminating systematic errors by comparing measurements to a known standard is called ________.**(calibration)

**The average of a set of measurements is known as the ________.**(mean or average value)

**Standardization in physics refers to the process of establishing and defining ________ units of measurement.**(standard or reference)

**The International System of Units (SI) is an example of a globally recognized ________ system.**(standard or reference)

**The main purpose of standardization is to ensure ________ and ________ in measurements.**(consistency and comparability)

**Calibration is the process of comparing a measuring device to a ________ standard to determine its accuracy.**(known or reference)

**The process of adjusting a measuring device to match readings to a known standard is called ________.**(adjustment or correction)

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