Subject Repository
Physics Mcqs
Showing 141 – 160 of 940 verified multiple choice questions with answers and explanations.
Q141NTS / FPSC / PPSC
The internal energy of the system increases__________?
Q142NTS / FPSC / PPSC
What is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere?
Q143NTS / FPSC / PPSC
The first overtone of a stretched string of given length is 320 Hz. The first harmonic is_________?
Q145NTS / FPSC / PPSC
A million electron are added to a pith ball. Its charge is________?
Q146NTS / FPSC / PPSC
A cube of side 5 cm has a charge of 6 C. The surface density of charge is_________?
Q147NTS / FPSC / PPSC
In bringing an electron towards the second electron, the electrostatic potential energy of the system
Q148NTS / FPSC / PPSC
How many electrons per second constitute a current of one micro ampere?
Q149NTS / FPSC / PPSC
A piece of copper and a piece of germanium are cooled from the room temperature down to 77 K.
Q150NTS / FPSC / PPSC
Two parallel beams of positrons moving in the same direction will________?
Q151NTS / FPSC / PPSC
An emf of 5 volt is produced by a self inductance, when the current changes at a steady rate from 3 to 2 ampere in 1 millisecond. The value of self inductance is_______?
Q152NTS / FPSC / PPSC
The core of a transformer is laminated to reduce energy losses due to__________?
Q154NTS / FPSC / PPSC
Electric current in a solid metal conductor is caused by the movement of what ?
Q155NTS / FPSC / PPSC
A force On particle is conservative if:________?
Q156NTS / FPSC / PPSC
A Stone thrown from the top of a tall building follows a path that is:
Q157NTS / FPSC / PPSC
The speed of light will be minimum while passing through ?
Q159NTS / FPSC / PPSC