General Science-Physics Question and Answer

General Science-Physics Questions

1. Which of the following is a scalar quantity ?

A. Distance
B. Displacement
C. Both
D. None

A. Distance

2. Uniform circular motion is an example of a motion in which

A. the acceleration is circular.
B. the acceleration does not exist.
C. the acceleration is only due to change in the direction of motion.
D. the acceleration is only due to change of magnitude and direction of motion.

C. the acceleration is only due to change in the direction of motion.

3. We tend to fall backwards when the bus begins to move suddenly. It can be explained on the basis of

A. Gravitational law
B. Newton's first law
C. Newton's second law
D. Newton's third law

B. Newton's first law

4. B. Newton's first law of motion is known as

A. Law of Inertia
B. Law of Momentum
C. Law of Super motion
D. Law of External force

A. Law of Inertia

5. To walk on the ground. It is an example of

A. Newton's law of Gravitation
B. Newton's first law
C. Newton's second law
D. Newton's third law

D. Newton's third law

6. Bhabha Atomic Research Centre is situated at

A. Nagpur
B. Indore
C. Mumbai
D. Kalpkamm

C. Mumbai

7. Heat Energy of an object is

A. The average potential energy of the molecules of the object.
B. The average energy of the molecules of the object.
C. The total energy of the molecules of the object.
D. The average velocity of the molecules of the object.

C. The total energy of the molecules of the object.

8. SONAR system works on

A. Ultraviolet ray
B. Infra-red ray
C. Supersonic ray
D. Ultrasonic ray

D. Ultrasonic ray

9. For practical work which type of lamps are used to realised the unit of luminous intensity ?

A. A group of nichrome
B. A group of candle as a lamp
C. Fixed amount of phosphorus
D. A group of tungsten incandescent lamp

D. A group of tungsten incandescent lamp

10. The unit of Pressure is

A. Newton
B. Lux
C. Flux
D. Pascal

D. Pascal