WorksheetsWAVES
Total questions: 10
Worksheet time: 6mins
Velocity of sound in air is
faster in dry air than in moist air
directly proportional to temperature
directly proportional to pressure
none of the above
If the density of oxygen is 16 times that of hydrogen, what will be corresponding ratio of their velocities of sound ?
1:4
16:1
4:1
1:16
Newton's assumed that sound waves travel through gas under
adiabatic condition
isothermal condition
both
none of above
Speed of Sound in solids as compared to gases
(a)
The velocity of sound in air at NTP is 330m/s. What will be its value when temperature is doubled and pressure is halved?
330m/s
165m/s
330√2m/s
660m/s
Which of the following has no effect on speed of sound in air
temperature
pressure
density
none of the above
As compared to air, speed of sound in liquid and solids is
Lower
faster
equal
zero
Laplace correction for velocity of sound is
v=√ϒP/ ρ
v=P/ ρ
v=ϒP/ ρ
v=√P/ ρ
Light can travel in vaccum but not sound,because
speed of sound is very slow than light
light waves are electromagnetic in nature
sound waves are electromagnetic nature
none of the above
The velocity of sound in a perfectly rigid body
zero
333m/s
infinite
none of these
