General Science - Physics MCQs

Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations.

1. “Svedberg Unit” is a unit of _________?

[A] Concentration
[B] Size
[C] Density
[D] Time

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2. By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?

[A] 102
[B] 1036
[C] 1012
[D] 2

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3. Optical Fibre technology works on which of these principles of Physics?

[A] Bernoulli’s Principle
[B] Newton’s law of Motion
[C] Total internal reflection of Light
[D] Photoelectric effect

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4. Which of the following is not a valid conservation law of classical Physics?

[A] Law of conservation of energy
[B] Law of conservation of current
[C] Law of conservation of angular momentum
[D] Law of conservation of charge

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5. Which of the following scientific discoveries was made by C.V Raman?

[A] Inelastic scattering of light by molecules
[B] Super Conductivity
[C] Controlled nuclear fission
[D] Cyclotron

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6. Who was the first scientist to discover Electrons?

[A] Albert Einstein
[B] Isaac Newton
[C] J.C. Bose
[D] J.J Thompson

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7. Which of the following is NOT a unit for measuring pressure?

[A] bar
[B] torr
[C] Pascal
[D] shake

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8. Which of the following is the unit of Impulse?

[A] N
[B] Ns
[C] N/s
[D] Ns2

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9. The Atomic clock is based on the periodic vibrations produced in the atom of which element?

[A] Hydrogen
[B] Rubidium
[C] Cesium
[D] Barium

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10. What is the S.I unit of Coefficient of Mutual inductance?

[A] weber
[B] candela
[C] henry
[D] lambert

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