Question

Tick (/) the correct option.
1. Sound cannot be associated with
(a) hearing (6) frequency
(c) wave
(d) sunlight
2. Sound is caused due to
(a) propagation of light
(b) vibrations
(c) change in physical state
(d) clouds
3. Which of the following is not a stringed instrument?
(a) Sitar
(b) Tabla
(c) Violin
(d) Guitar
4. In a percussion instrument, sound is produced by
(a) vibrating string
(b) vibrating skin or membrane
(c) air column
(d) vibrating nails of the player
5. If a pendulum has a time period of 3 seconds, then its frequency is
(a) 3 Hz
(b) 0.5 Hz
(c) 39
(d) 0.33 H2


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Answer 1

1. sunlight 2. vibrations 3. violin 4. vibrating sting 5.

Answer 2

Answer:

1) d

2) b

3) b

4) b ↪vibrating skin or membrane

5) d ↪0.333Hz