photoelectric effect mcqs of physics for army navy and paf

Important Photoelectric Effect MCQs Physics with Answers

The Important Photoelectric Effect Physics MCQs with Answers provide candidates with a valuable resource to test their knowledge and understanding of photoelectric phenomena. Questions are also related to photoelectric effect definition and much more.

Important Photoelectric Effect MCQs (Part-1)

  • The part of physics that deals with the motion and behavior of objects is called ________. (Mechanics)
  • Newton’s first law of motion is also known as ________ law. (Inertia)
  • The rate of change of an object’s velocity with respect to time is called ________. (Acceleration)
  • The tendency of an object to resist changes in its state of motion is called ________. (Mass)
  • The gravitational force acting on an object is called its ________. (Weight)
  • According to Newton’s second law of motion, the acceleration of an object is directly proportional to the ________ applied to it and inversely proportional to its ____. (Net force, mass)
  • The force that acts on an object moving through a fluid and prevents it from moving is called ________. (Wind or air resistance)
  • The force that keeps an object moving in a circle is called ________. (Centripetal Force)
  • The force experienced by an object as it interacts with a surface is called ________. (Normal force)
  • The force exerted by a boat or a compressed spring is called ________. (Spring force or Hooke’s law force)
  • The force of attraction between two masses is called the ________ force. (Gravity)
  • A force that opposes the motion of two surfaces in contact with each other is called ________. (Friction)
  • The product of an object’s mass and velocity is called its ________. (Moment)
  • The principle that states that the total momentum of a system remains constant unless acted upon by external forces is called the ________ law. (Conservation of resistance)
  • The force required to keep the front stationary on an inclined plane is called ________ force. (Static Friction)
  • The force that resists the vertical motion of an object in a fluid is called ________. (Floating Force)
  • The force experienced by an object moving through a magnetic field is called the ________ force. (Lorentz force)
  • The tendency of an object to remain stationary or move in a uniform straight line is described by the ________ law of motion. (Newton’s First Law)
  • The relationship between the mass of an object, acceleration and net applied force is given by the ________ law of motion. (Newton’s Second Law)
  • The force exerted by a body in contact with a surface that resists motion or the tendency to move is called ________ friction. (Kinetic or sliding friction)
  • The force required to keep an object moving at a constant speed is called ________ friction. (Dynamic or Rolling Friction)

Important Photoelectric Effect MCQs (Part-2)

  • The force exerted by a stretched or compressed elastic object trying to return to its original shape is known as the ________ force. (Elastic force)
  • The force that resists the motion of an object sliding on a surface is called ________ friction. (Sliding or kinetic friction)
  • The point where the entire weight of an object can be considered to be acting is called the ________. (Focus)
  • The force acting on a body moving in a circle, directed towards the center of the circle, is called the ________ force. (Centripetal Force)
  • The force on an object due to its interaction with the earth is called ________. (Gravity)
  • The force exerted by a fluid (such as air or water) on an object moving through it is called the ________ force. (Drag or flow resistance)
  • The motion of an object in free fall, where the only force acting on it is gravity, is called ________ motion. (Free Fall)
  • The force exerted by a person or object on a surface in a direction perpendicular to the surface is called ________ force. (Normal force)
  • The force required to move an object from its state of rest is called a ________ force. (Static Friction)
  • Resistance to fluid flow is called ________. (Viscosity)
  • The force that resists relative motion between two surfaces in contact is called ________ friction. (Static Friction)
  • The rotational analog of a mass in linear motion is called ________. (Moment of inertia)
  • The force resulting from the interaction of electric charges is called ________ force. (Electrostatic force)

Past Photoelectric Effect MCQs : PAF Physics Test MCQs

The PAF Physics Test MCQs are designed to assess the candidates’ knowledge of various physics concepts relevant to the Pakistan Air Force. Experiment photoelectric effect related questions are also important for initial tests of Pak Forces jobs tests.

Important Photoelectric Effect MCQs (Part-3)

  • The force experienced by a current-carrying wire in a magnetic field is called ________ force. (Lorentz force or magnetic force)
  • The product of an object’s mass and velocity is known as ________. (Linear Impulse)
  • A measure of how difficult it is to stop or change the motion of an object is called ________. (Inertia)
  • The force exerted by a boat or compressed material such as a spring that obeys Hooke’s law is called the ________ force. (Restoring force)
  • The point where an object is in equilibrium and all the forces acting on it are balanced is called the ________. (Equilibrium point)
  • The force due to stretching or compressing an object is called ________ force. (Elastic strength)
  • The property of an object to resist changes in rotational motion is called ________. (Rotational inertia or moment of inertia)
  • The force that prevents an object from moving through a fluid is called ________ friction. (Drag or air resistance)
  • The force on an object due to its weight, directed vertically downward, is called ________. (Gravity)
  • The force exerted by an object on a supporting surface when at rest or in equilibrium is called the ________ force. (Normal force)
  • The force resulting from the interaction of two charged objects is called the ________ force. (Electrostatic force)
  • The force required to move an object in a circle at a constant speed is called the ________ force. (Centripetal force)
  • The measure of the gravitational force acting on an object is called its ________. (Weight)
  • The force caused by acceleration of an object due to gravity is called ________ force. (Gravitational force)
  • The force that resists the motion of an object sliding on a surface is called ________ friction. (Kinetic Friction)
  • The force that opposes the initial motion of an object at rest is called ________ friction. (static friction).
  • The force produced by stretching or compressing an object, such as a spring, is called a ________ force. (Elastic force)
  • The force that keeps an object moving at a constant speed without external forces is called ________. (Inertial force)
  • The force exerted by a liquid on an object immersed in it is called ________ force. (Fossil)
  • The measure of the amount of matter of an object is called its ________. (Mass)
  • The force that a person or object exerts on a surface in a direction perpendicular to the surface is called a ________ force. (Normal force)

Important Photoelectric Effect MCQs (Part-4)

Learn to explain photelectric effect in detail with different mcqs;

  • The force on an object due to interaction with a magnetic field is called ________ force. (Magnetic Force)
  • The force experienced by a moving object due to the resistance of the medium through which it moves is called the ________ force. (Drag or air resistance)
  • The force required to start an object from rest is called ________ force. (Static Friction)
  • The force on an object due to the rotation of the Earth is called ________ force. (Centrifugal force)
  • The force opposing the motion of an object rolling on a surface is called ________ friction. (Suspension Friction)
  • The branch of mechanics that deals with the motion of objects without considering the forces causing the motion is called ________. (Kinematics)
  • The rate of change of a machine in relation to time is called ________. (Acceleration)
  • The target has an initial speed of 10 m/s and accelerates at 2 m/s² for 5 seconds. The final velocity of the object is  ________.  (20 m/s)
  • The slope of the velocity-time graph represents the ________ of the object. (Acceleration)
  • The area under the velocity-time graph represents the ________ traveled by the object. (Transition)
  • The time it takes the target to reach the highest point of the projectile’s motion is equal to ________ of the total flight time. (Half)

Photoelectric Effect Physics MCQs for Navy with Answers

The Physics MCQs for Navy with Answers provide a valuable resource for candidates preparing for the Navy examination(PN Cadets, Navy Mechanical Engineering Branch, Navy Weapon Engineering Branch) offering comprehensive solutions to the multiple-choice questions.

Important Photoelectric Effect MCQs (Part-5)

  • The time required for an object to reach the ground in projectile motion is equal to ________ of the total flight time. (Halfs)
  • An example of ________ motion is the motion of an object thrown vertically upward and returning downward under the influence of gravity. (Projectile Motion)
  • Example motion in a circle at constant speed is an example of ________ motion. (Smooth Circular)
  • A ball is thrown vertically upward with an initial velocity of 20 m/s. The maximum height of the ball is  ________. (20 m)
  • The car moves at a constant speed of 30 m/s for 10 seconds. The working capacity of the car during this period is  ________. (300 m)
  • The time it takes an object to fall freely from rest to the ground is called ________ time. (Free fall)
  • The motion of an object in uniform circular motion during one complete revolution is ________. (zero)
  • The train accelerates from rest at 4 m/s² for 10 seconds. The train run during this period is  ________. (200 m)
  • The branch of mechanics that deals with forces that cause motion is called ________. (Dynamic)
  • According to Newton’s first law of motion, an object at rest remains at rest and an object in motion continues to move at a constant speed unless acted upon by ________ forces. (External or unbalanced)
  • A quantity that measures an object’s resistance to changes in its motion is called ________. (Inertia)
  • According to Newton’s second law of motion, the acceleration of an object is directly proportional to the ________ applied to it and inversely proportional to its ____. (Net force, mass)

Photoelectric Effect MCQs with Answers

Initial tests of Pak Army, Navy and PAF tests are given from the following mcqs which are mostly repeated questions.

Important Photoelectric Effect MCQs (Part-6)

  • The unit of Si force is ________. (Newton)
  • The weight of an object is the gravitational force acting on it, equal to the product of its mass and ____. (Acceleration due to gravity)
  • According to Newton’s third law of motion, for every action there is an equal and opposite ________. (Reaction)
  • The force required to keep an object moving at a constant speed in the face of friction is called the ________ force. (Applied or external force)
  • The force resulting from the interaction between two objects in contact is called the ________ force. (Contact Force or Normal Force)
  • The force experienced by an object due to its weight is called the ________ force. (Gravitational force)
  • The force experienced by a moving object due to the resistance of the medium through which it moves is called the ________ force. (Failure or air resistance)
  • The force exerted by a stretched or compressed spring subject to Hooke’s law is called the ________ force. (Spring force)
  • The force required to start moving an object from rest is called ________ force. (Static Friction)
  • The force that resists the motion of an object sliding on a surface is called ________ friction. (Kinetic Friction)
  • The force that keeps an object moving in a circular path is called the ________ force. (Centripetal force)
  • The ability to do work or cause change is called ________. (Energy)
  • The SI unit of energy is ________. (Joule)
  • The energy resulting from the movement of an object is called ________ energy. (Kinetic)
  • The energy stored in an object due to its position or state is called ________ energy. (Potential)
  • The total energy of a system remains constant when it is not acted upon by external forces. This is known as the ________ law of energy. (Conservation)
  • Energy gained or lost by an object is equal to work done on or by the object. This is called work energy ________. (Theorem)

Basic Photoelectric Effect MCQs related to Physics Tests

Given photoelectric effect mcqs are given to pass the initial tests of GDP, Army LCC Jobs, SSC Army, PAF Air Defence Jobs, PAD Admin and Security branch, PAF Logistic branch, and all initial tests of Pak Navy Officers, Sailors, and Civilians tests.

Important Photoelectric Effect MCQs (Part-7)

  • The energy associated with the movement of molecules is called ________ energy. (Heat or warmth)
  • The energy associated with the position of an object in a gravitational field is called ________ energy. (Gravitational potential).
  • The energy stored in a stretched or compressed spring is called ________ energy. (Elastic potential)
  • The energy associated with the chemical bonds of a substance is called ________ energy. (Chemical)
  • The energy associated with the movement of electric charges is called ________ energy. (Electrical)
  • The energy associated with the nuclei of atoms is called ________ energy. (Nuclear force)
  • The energy associated with the vibration of particles in a medium is called ________ energy. (Audio)
  • The energy associated with electromagnetic waves is called ________ energy. (Radiation or Electromagnetic)
  • Energy that is wasted or dissipated by non-conservative forces such as friction is called ________ energy. (Non-Mechanized or Decentralized).

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