Physics General Knowledge Questions: Physics GK Question for Competitive Exams
A wooden swing is swinging in a sitting position, the time period of oscillations when the girl is standing?
(A) will decrease
(B) remain unchanged
(C) will be more
(D) none of these
Correct Answer : A
What is Newton's first law of motion called?
(A) Law of conservation of momentum
(B) Law of mobility
(C) Law of inertia
(D) None of these
Correct Answer : C
Skating on ice shows that on increasing the pressure the melting point of ice
(A) decreases
(B) increases
(C) remains unchanged
(D) first decreases then increases
Correct Answer : A
Which of the following does not have kinetic energy?
(A) fired bullet
(B) drawn bow
(C) moving hammer
(D) flowing water
Correct Answer : B
When milk is churned, the butter separates from it, what is the reason for this?
(A) Gravitational force
(B) Frictional force
(C) Centrifugal force
(D) Heat
Correct Answer : C
Which of the following devices converts alternating current into direct current?
(A) Alternator
(B) Condenser
(C) Transformer
(D) None of these
Correct Answer : A
Which of the following pairs of physical quantities do not have the same dimensional formula?
(A) Force and Pressure
(B) Weight and Force
(C) Impulse and Momentum
(D) Work and Energy
Correct Answer : A
Ice is floating on water in a beaker, when the ice melts completely, the level of water in the beaker will be?
(A) will increase
(B) first increase then decrease
(C) will decrease
(D) will remain the same
Correct Answer : D
A person climbing a hill leans forward because?
(A) Able to walk fast
(B) To increase stability
(C) To conserve power
(D) Reduce the chances of slipping
Correct Answer : B
Force is the product of?
(A) mass and velocity
(B) weight and acceleration
(C) mass and acceleration
(D) weight and velocity
Correct Answer : C
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