Subject Repository
Physics Mcqs
Showing 1 – 20 of 940 verified multiple choice questions with answers and explanations.
Q1NTS / FPSC / PPSC
The waves which are used for line of sight (LOS) communication are called:
Q2NTS / FPSC / PPSC
A wire of uniform area of cross -section A length L and resistance R is cut into two parts. The resistivity of each part:
Q3NTS / FPSC / PPSC
A potential difference is applied across the ends of a wire. If the potential difference is doubled, then the drift velocity of free electron will.
Q4NTS / FPSC / PPSC
Relation between linear velocity and angular velocity:
Q5NTS / FPSC / PPSC
If the axis of rotation passes through the body and the body moves around itself then the motion is called:
Q6NTS / FPSC / PPSC
Which instrument is used to detect path of visible rays?
Q10NTS / FPSC / PPSC
A black body emitting all the radiation in the visible region appears________.
Q12NTS / FPSC / PPSC
Due to the relative motion of observer and frame of reference time:
Q13NTS / FPSC / PPSC
The mass of an object will get doubled at the speed of __________?
Q14NTS / FPSC / PPSC
Mass-Energy relation given by Einstein in represented as: ____________?
Q15NTS / FPSC / PPSC
A black body has the property to _____________ all the radiation entering it.
Q16NTS / FPSC / PPSC
Modern system of navigation satellites called ___________?
Q17NTS / FPSC / PPSC
As a result of annihilation of electron and positron, number of γ–ray (Gama ray) photons are: ________?
Q19NTS / FPSC / PPSC