Distance covered by a body in one complete vibratio
(a) 10 cm
(b) 5 cm
(c) 15
The time period of the hour hand of a watch is:
(a) 24 hr
(b) 12 hr
(c) II
If temperature is 10°C then speed of sound in air will:
(a) 332 ms
(b) 340 ms
(c) 33
Two notes of frequencies 312 Hz and 315HZ are sounded
(a) 312
(b) 315
(c)3
If a stretched string is 4 m and it has 4 loops of stationar
(a) I m
(b) 2 m
(C) 3
Velocity of sound at O'C is 332 ms. At what temperatur
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Answer:
a.
c.
a.
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- b 15cm
- b 12hr
- b 340ms
- a 312
- c 3
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