Category: Physics MCQs FPSC NTS PPSC Past Papers Test Questions

(A) kinetic energy
(B) momentum
(C) angular velocity
(D) torque

The answer is: (A) kinetic energy

(A) 0
(B) 1
(C) 9.8 m/s²
(D) none of these

The answer is: (A) 0

(A) The Earth’s crust is not uniform
(B) The Earth is not a sphere
(C) The Earth is rotating
(D) All are true

The answer is: (D) All are true

Q. If the gravitational force of attraction between any two bodies depends on 1/R² and is directly proportional to the mass of the bodies. Then the period of the planet round the Sun, in a circular orbit will be proportional to
(A) R²
(B) R^–2
(C) R^3/2
(D) R

The answer is: (C) R^3/2

(A) square of the semi-major axis
(B) square of the planet’s mean distance
(C) cube of the semi-major axis
(D) cube of the planet’s mean distance

The answer is: (D) cube of the planet’s mean distance

Q. If W₁ and W₂ be the work done along two different paths by a conservative force, then?
(A) W₁ + W₂ = 0
(B) W₁ – W₂ = 0
(C) W₁W₂ = 0
(D) W₁W₂ = 1

The answer is: (B) W₁ – W₂ = 0

(A) sqrt(2)t
(B) sqrt(4)t
(C) 2t
(D) 4t

The answer is: (A) sqrt(2)t

(A) power
(B) work
(C) energy
(D) torque

The answer is: (A) power

(A) Aluminum
(B) Silicon
(C) Graphite
(D) All are conductors

The answer is: (D) All are conductors

(A) K.E = 2PM
(B) K.E = 2P/M
(C) K.E = 2M/P
(D) K.E = P²/2M

The answer is: (D) K.E = P²/2M