Who discovered the inverse square law for gravity ?

A. Einstein
B. Galileo
C. Newtons
D. Plank

The planet nearest to the earth is______________?

A. Venus
B. Mercury
C. Uranus
D. Sun

A satellite moving around the earth constitutes______________?

A. An inertial frame of reference
B. Non-inertial frame
C. Neither inertial nor non-inertial
D. Both inertial and non-inertial

Minimum number of communication satellites required to cover the whole earth is______________?

A. 4
B. 3
C. 2
D. 5

A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?

A. 9.8 n
B. 19.6 n
C. 129.4 n
D. 39.2 n

If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?

A. 0
B. 89n
C. 9.8 n
D. 10n

How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?

A. 365 days
B. 730 days
C. 329 days
D. 129 days

When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is__________________?

A. Vibratory motion
B. Linear motion
C. Rotatory motion
D. Angular motion

Coefficient of viscosity of honey is greater than______________?

A. Milk
B. Water
C. Charcoal
D. Water

The dimensions of the coefficient of viscosity are_____________?

A. Ml-1t-1
B. M2l1t1
C. Ml1t-1
D. M2l-1t-1