Physics MCQs questions with answers of class 11 or first year. HSSC Part-I physics multiple choice questions from past papers.
(A) Law of conservation of mass
(B) Law of conservation of energy
(C) Law of conservation of linear momentum
(D) Law of conservation of momentum
Answer: (B) Law of conservation of energy
Work energy equation is simply “Law of conservation of energy”.
(A) Frequency
(B) Amplitude
(C) Intensity
(D) Wavelength
Answer: (D) Wavelength
Wavelength of the sound is affected by change in air temperature.
(A) Longer
(B) Shorter
(C) Heavier
(D) Lighter
Answer: (A) Longer
A pendulum clock is running slow, it can be corrected by making this pendulum longer.
(A) Force
(B) Angular Momentum
(C) Liner Momentum
(D) Rotator motion
Answer: (B) Angular Momentum
When the net torque acting on the system is zero, angular momentum will be constant.
(A) They produce waves of the same wave length
(B) They have the same amplitude of vibration
(C) They produce waves in the medium simultaneously
(D) They produce waves of the same amplitude
Answer: (A) They produce waves of the same wave length