Physics MCQs

Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, NDA, CDS and all one day examinations of India.

1. “Fermi” is a unit of which among the following?
[A] Mass
[B] Length
[C] Velocity
[D] Frequency

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2. If earth stops rotating, the impact on weight of a body will be minimum on which among the following places?
[A] Equator
[B] North Pole
[C] Tropic of Cancer
[D] Tropic of Capricorn

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3. Electron microscope works on which of the following principles?
[A] Optical interference
[B] Wave Nature of electrons
[C] Motion of charged particle in electromagnetic fields
[D] Faraday’s law of Electromagnetic induction

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4. Curie the a unit of which of the following?
[A] Luminescence
[B] Radioactivity
[C] Pressure
[D] Mass

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5. Which of these is/are examples of conservation of linear momentum?
[A] Explosion of bomb
[B] Recoiling of a gun
[C] Fight of rockets and jet planes
[D] All of the above

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6. The energy by virtue of its position is known as:
[A] Kinetic energy
[B] Potential energy
[C] Internal energy
[D] Heat energy

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7. What kind of energy is stored in the spring of a watch?
[A] Kinetic
[B] Potential
[C] Heat
[D] Chemical

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8. What will be the effect on the value of acceleration due to gravity at the poles if the rate of rotation of earth increases?
[A] No effect
[B] it will increase
[C] it will decrease
[D] it will become zero

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9. The ratio of the magnitude of the external force applied on a body to the magnitude of acceleration produced in its motion is known as:
[A] Inertial Mass
[B] Angular Momentum
[C] Gravitational Potential
[D] Gravitational Constant

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10. What is the orbital velocity of geo stationary satellite?
[A] 4.15 km/s
[B] 2.78 km/s
[C] 3.08 km/s
[D] 6.66 km/s

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