Class10th Physics Chapter 10


Total Marks: 20

1. Which of the following are responsible for transmitting genetic information from generation to generation ?
Carbohydrates Proteins Nucleic acids Lipids
2. Write the SI unit of frequency?
N m Pa Hz
3. The maximum potential energy of a vibrating mass attached to spring is at ?
In equilibrium position At extreme position Between equilibrium and extreme All of these
4. When a body attached with a spring has no displacement from its mean position this position of the body is known as
Equilibrium position between Equilibrium and Extreme all of these Extreme position
5. Force applied on a body attached with spring is directly proportional to the
Amplitude Spring Displacement non of these
6. In simple harmonic motion velocity of the object is maximum at :
Both extreme position The mean postion Only one extreme position All of the above
7. The broad casting of radio and television programs is made possible by ?
waves particles clouds Light
8. The motion of card pieces on the water surface about their mean positions is known as :
oscillatory motion to and from motion random motion vibratory motion
9. Which of the following characteristics of a wave is independent of the others
Speed Frequency Amplitude Wavelength
10. In mass spring system when mass m reaches at mean position , the magnitude of restoring force become .
zero F/2 F2 F4
11. time period is inverse of
velocity frequency wavalength time
12. The part of a wave where the particles of medium are lowest from the mean position is called :
crest wave front trough wavelength
13. How many types of mechnical waves ?
2 3 4 5
14. Which of the following methods of energy transfer
Conduction all Motion of waves Radiation
15. In a vacuum all electromagnetic waves have the same
ferquency amplitude speed wavelength
16. when water waves enters the region of shallow their waves length ?
remain same increase zero decrease
17. n ripple tank the troughs of waves appear on white paper is ?
Dark lines bright lines Color lines non of these
18. crests of waves in a ripple tank behave like convex lens and
appear as dark fringes converge the light appear as coloured fringes diverge the light
19. when water waves enter from deep to shallow region they bned
away from the norma remains straight toward the normal non of these
20. Which of the following is an example of simple harmonic motion?
The motion of ceiling fan The spinning of the earth on its axis A bouncing ball on a floor Motion of a simple pendulum