Question

Tick the correct options:
1 The pitch of a sound depends upon the
of vibration
(a) amplitude
(b) time period (c) frequency
2. The time taken by the pendulum to complete one oscillation is called
(a) frequency
(b) amplitude
O (c) time period
3. The SI unit of frequency is
(a) second
(b) hertz O (
(c) ohm
4 The larger the amplitude of the vibration,
is the sound
(a) faint
(b) the fainter O (c) low
The frequency less than
Hz is not audible to human ear.
(a) 20,000
(b) 20
O (c) 200
(d) coulomb
(d) the louder
O
(d) 2000​

Answer 1

Answer:

a

c

b

c

a

dear I think it I perfect correct

Answer 2

Answer:

1:a) amplitude

2:c) time period

3:b) Hertz

4:a) faint

5:a) 20