100+ physics gk interview questions | physics gk question and answer- Just Crack Interview

Ques:- The centripetal force around the circular path depends upon

A. Energy

B. Impulse

C. Speed

D. Pressure

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Ques:- The molecular range is of the order of

A. 10-8 cm

B. 10-8 m

C. 10-6 cm

D. 10-6 m

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Ques:- The Helio Centric theory is given by

A. Copernicus

B. Tycobrahe

C. Pluto

D. Johnkepler

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Ques:- X2 = ky. This is the equation of a

A. Square

B. Circle

C. Parabola

D. Ellipse

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Ques:- Kepler’s first law of planetary motion is also called

A. Law of distances

B. Law of areas

C. Law of periods

D. Law of orbits

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Ques:- The geocentric theory is given by

A. Aristotle

B. Newton

C. Prout

D. Ptolemy

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Ques:- The angle of projection for a projectile to cover maximum range is

A. 0°

B. 30°

C. 45°

D. 60°

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Ques:- The air resistance on freely failing body depends upon

A. Friction

B. Shape

C. Pressure

D. Density

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Ques:- The centripetal force required for a car to bicyle to go round a circular curve depends on

A. The angle of elevation of the curved track

B. Speed of the vehicle only

C. The radius of curvature of the path only

D. Speed and the radius of curvature of the curve

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Ques:- The force between a satellite and the earth which acts as a centripetal force keeping the satellite in orbit is

A. Gravitational force

B. Cohesive force

C. Adhesive force

D. Molecular force

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Ques:- A bullet shot from a rifle is an example of

A. Law of conservation of energy

B. Einstein mass energy equation

C. Newton’s second law

D. Projectile

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Ques:- The relation between time of ascent and time of descent in the case of bodies moving under gravity is

A. Time of ascent is more than the time of descent.

B. Time of ascent is less than the time of descent.

C. Time of ascent and time of descent will never be equal.

D. Time of ascent is equal to the time of descent.

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Ques:- The unit of angular velocity its

A. cms-1

B. rad s-2

C. m s-1

D. rad s-1

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Ques:- The time period of Jupiter is

A. 5 years

B. 12 years

C. 11.862 years

D. 30 years

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Ques:- The unit of surface tension is

A. Nm-2

B. Kg m-1

C. N-1 m

D. Nm-1

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Ques:- The principle used in the centrifuges is

A. Force

B. Gravitational force

C. Centripetal force

D. Centrifugal force

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Ques:- Rain drops assume spherical shape due to

A. Centripetal force

B. Surface tension

C. Centrifugal force

D. Gravitational force

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Ques:- The formula to calculate centripetal force is

A. F = ma

B. F = mg

C. F = mv2/r

D. F = mv/r2

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Ques:- A rocket is not a projectile until its

A. Energy is wasted

B. Energy is saved

C. Propellant fuel is not burnt

D. Propellant fuel is burnt

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Ques:- Major share of electricity generated in India is through _____

A. Gas turbine power plants

B. Thermal power plants

C. Nuclear power plants

D. Hydro-electric plants

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