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CBSE - Sound and Wave
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Practice Question
Sound and Wave
.
Sound and Wave
The expansion of a solid body depends on -
(1) Mass of the solid only
(2) Nature of the solid only
(3) Temperature of the solid only
(4) Nature and temperature of the solid
Correct Answer: 4
.
Related Questions
Sound and Wave
1
Velocity of sound is maximum in -
(1) Water
(2) Oil
(3) Air
(4) Iron
Correct Answer: 4
2
If the length of a simple pendulum is increased to 4 times it s value, its time period will be
(1) halved
(2) doubled
(3) becomes √2 time
(4) reduces by √2 time
Correct Answer: 2
3
The S.I. unit of pressure is -
(1) N.m
2
(2) N
/
m
2
(3) m
2
/
N
(4) N
/
m
Correct Answer: 2
4
In air the speed of sound is 340 m/s. This means that in one second :
(1) Sound source moves 340 m
(2) Listener moves 340 m
(3) Air disturbance moves 340 m
(4) Air moves 340 m
Correct Answer: 3
5
If the length of a simple pendulum is increased to 2 times its value then its time period will be
(1) halved
(2) doubled
(3) becomes √2 times
(4) reduces by √2 times
Correct Answer: 3
