Centripetal force performs_______________?

A. Maximum work
B. Minimum work
C. Negative work
D. No work

When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?

A. Mv/r2
B. Mv/r
C. Mv2/r
D. Mv2/r2

Geostationary satellite completes one rotation around the earth in_______________?

A. 3 hours
B. 6 hours
C. 12 hours
D. 24 hours

The radius of geostationary orbit from the centre of the earth is nearly______________?

A. 42000km
B. 36000km
C. 24000 km
D. 18000 km

According to Einstein, the gravitational interaction is possible between_______________?

A. Material objects only
B. Material objects and electromagnetic radiation only
C. Electromagnetic radiations
D. None of the above

One radian is equal to______________?

A. 67.3°
B. 57.3°
C. 87.3°
D. 60°

The period of a circular motion is given by_______________?

A. T = πv
B. T = πw
C. T = 2πr
D. T = 2πr/v

The direction of the linear velocity of a body moving in a circle is______________?

A. Along the axis of rotation
B. Along the tangent
C. Directed towards the centre
D. Directed away from the centre

How many main frontiers of fundamental science ?

A. 1
B. 2
C. 3
D. 4

One light year is equal to________________?

A. 9.5x1015m
B. 9.5x1015sec
C. 9.5x1015km
D. 9.5x1015cm