FPSC Physics Lecturer Test > BSc and Masters Level Physics MCQs
BSc, MSc or Masters Level Physics MCQs Questions with Answers.
Q. The square of the period of any planet about the Sun is proportional to the ________ from the Sun.
(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. Which from the following is true about the Earth?
(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. e++e– → radiation. The process will be
(A) annihilation
(B) pair production
(C) photoelectric effect
(D) Compton’s effect
The answer is: (A) annihilation
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) R3/2
(D) R
The answer is: (C) R3/2
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
Q. Relation between Kinetic Energy and Momentum can be expressed as
(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
Q. If the length is doubled the time period of the simple pendulum will be
(A) sqrt(2)t
(B) sqrt(4)t
(C) 2t
(D) 4t
The answer is: (A) sqrt(2)t
Q. The dot product of force and velocity is
(A) power
(B) work
(C) energy
(D) torque
The answer is: (A) power
Q. Fermi Statistics is applicable for an ensemble of particle having spin of
(A) I = 0
(B) I = 1
(C) I = 1/2
(D) none of these
The answer is: (C) I = 1/2
Q. In a system of particles, the net external force equals the rate of change of the ________ of the system.
(A) velocity
(B) acceleration
(C) linear momentum
(D) torque
The answer is: (C) linear momentum