MEDIUM
9th ICSE
IMPORTANT
Earn 100
Explain the term crest and trough in relation to a transverse wave.
Important Questions on Propagation of Sound Waves
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 24
Arrange the speed of sound in gases , in solids and in liquids in an ascending order.
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 26
Compare approximately the speed of sound in air, water and steel.EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 27
How does the speed of sound differs in different media?EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 30
The sound of an explosion on the surface of the lake is heard by a boatman away and by a diver below the point of the explosion.
Who wound hear the sound first-: boatman or the diver? Give the reason.
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 31
How do the temperature of air affects, if at all, the speed of sound in air?MEDIUM
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 31
How does the moister of the air affect, if at all, the speed of sound in the gas?EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 32
How does the speed of sound change with the change of wavelength of a sound wave?
EASY
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 33
In which medium the speed of sound is more, humid air or dry air?Give a reason for your answer.
