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. A pendulum is taken to Moon, what will happen to its time period?
[A] Increases
[B] Decreases
[C] Remains constant
[D] Either increase or decrease

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2. A transition from the solid to gas phase with no intermediate liquid stage is called?
[A] Evaporation
[B] Sublimation
[C] Adsorption
[D] Solid Phase extraction

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3. Which among the following waves are most commonly used in the Night Vision Devices?
[A] Microwaves
[B] Infra Red Waves
[C] Ultra Violet Waves
[D] Radio Waves

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4. What is the S.I unit of Coefficient of Mutual inductance?
[A] weber
[B] candela
[C] henry
[D] lambert

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5. Power of lens is measured in which of the following units?
[A] metre
[B] dioptre
[C] lumen
[D] watt

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6. What is represented by the slope of a straight line joining two points on a velocity-time graph?
[A] Average velocity
[B] Instantaneous acceleration
[C] Average acceleration
[D] None of the above

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7. The equation of motion ‘v = u +at’ can be applied in which of the following cases?
[A] simple harmonic motion
[B] circular motion
[C] when acceleration is constant
[D] Both b and c

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8. Which of the following is NOT correct about Vectors addition?
[A] Vectors addition is associative
[B] Vectors addition is commutative
[C] Vectors of different natures can be added
[D] None of the above

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9. Which of the following is incorrect about a satellite?
[A] It is a freely falling body
[B] it does not require energy for its motion in orbit
[C] it suffers an acceleration
[D] it moves with constant speed

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10. What is the property of matter by which a body tends to regain its original configuration after the removal of deforming force known as?
[A] Plasticity
[B] Ductility
[C] Elasticity
[D] Malleability

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