Physics Mcqs Subcategories

Physics Mcqs

SI unit of flux density is____________________?

A. NA-1m-1
B. NAm-1
C. NmA-1
D. NmA-2

Area under velocity time graph represent_____________________?

A. force
B. displacement
C. distance
D. acceleration

A force On particle is conservative if:________?

A. It’s works equals the change in the kinetic energy of the particle.
B. It’s obeys Newton’s second law
C. It’s obeys Newton’s third law
D. It work depends on the end points of every motion, not on the path between.

An electromagnetic wave consists of _____________________?

A. Electric and magnetic fields moving parallel to each other
B. Magnetic field moving with velocity of light in space
C. Electric field moving with velocity of light
D. Electric and magnetic fields moving perpendicular to each other

In the transistor schematic symbol, the arrow______________?

A. is located on the emitter
B. is located on the base
C. is locate on the collector
D. points form north to south

How much heat does a 40 W bulb generates in one hour ?

A. 144000J
B. 144J
C. 1.44J
D. 14J

According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?

A. Flow rate
B. Volume of fluid
C. Mass of fluid
D. The density of the fluid

The efficiency of the Carnot engine working between 150°C and 50°C is__________?

A. 50%
B. 100%
C. 23.6%
D. 29.4%

Gravitation force of sun is__________?

A. 274 m/s²
B. 362 m/s²
C. 300 m/s²
D. None  of these

Gravitation force of moon is_________?

A. 7.2 m/s²
B. 1.62 m/s²
C. 9.8 m/s²
D. 3.75 m/s²