Which of the
following statements is correct?
a) sound can travel through vacuum
b) sound travels faster in air than liquid
c) sound travels faster in solid than air
d) sound cannot travel through a solid
Which of the
following statements is correct?
a) sound can travel through vacuum
b) sound travels faster in air than liquid
c) sound travels faster in solid than air
d) sound cannot travel through a solid
A soft sound is produced by:
a) beating a drum
b) playing a flute
c) heavy traffic
d) hammering
It produces irritation and bad effects on human brain and health:
a) noisy sound
b) pleasant sound
c) soft sound
d) none of these
Sound can travel easily through:
a) solids
b) gases
c) vacuum
d) none of these
Which sounds are called noise?
a) unpleasant
b) soft sounds
c) pleasant
d) musical
