Science Quiz Based on NCERT

Science Quiz Based on NCERT

1.Which of the following waves do not require any kind of medium to propagate?

A.Sound

B.Earthquake waves

C.Light waves

D.Water surface waves

2.Waves produced on the surface of water are:

A.Longitudinal only

B.Transverse waves only

C.Electromagnetic Waves

D.Both Longitudinal and Transversal

3.Propagation of wave transfers:

A.energy only

B.matter only

C.both energy and matter

D.none of these

4.In longitudinal waves, the particles vibrate in a ___________ direction of propagation

A.parallel

B.perpendicular

C.curved

D.both parallel and perpendicular

5.A medium transmits a sound wave by virtue of it’s?

A.elasticity

B.inertia

C.density

D.both inertia and elasticity 

6.The number of oscillations completed in one second is called _________.

A.time period

B.velocity

C.frequency

D.wavelength

7.What type of sound waves can propagate in solids?

A.Longitudinal only

B.Transverse only

C.Either longitudinal or transverse

D.Non mechanical waves only

8.The time taken to complete one oscillation is called _________.

A.time period

B.velocity

C.frequency

D.wavelength

9.Sound wave of which of the following frequency is an ultrasonics sound?

A.30 Hz

B.300 Hz

C.3000 Hz

D.30,000 Hz

10.In which of the following, speed of the sound is maximum:

A.air

B.water

C.steel

D.kerosene

Answers:
1. C
2. B
3. A
4. A
5. C
6. C
7. C
8. A
9. D
10. C