Physics Mcqs

The angular speed for daily rotation of the earth in rad S-1 is______________?

(A) 7.3 x 10 radians/second
(B) 7.3 x 5 radians/second
(C) 3.7 x 10 7.3 x 5 radians/second
(D) 7.3 x 10-5 radians/second

Submitted By :Ali Uppal

Coefficient of viscosity of honey is greater than______________?

(A) Milk
(B) Water
(C) Charcoal
(D) Water

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

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

(A) 4
(B) 3
(C) 2
(D) 5

Submitted By :Ali Uppal

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

Submitted By :Ali Uppal

The planet nearest to the earth is______________?

(A) Venus
(B) Mercury
(C) Uranus
(D) Sun

Submitted By :Ali Uppal

Who discovered the inverse square law for gravity ?

(A) Einstein
(B) Galileo
(C) Newtons
(D) Plank

Submitted By :Ali Uppal

A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?

(A) mg
(B) mg – ma
(C) mg + ma
(D) mg – ma

Submitted By :Ali Uppal

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