EASY
9th ICSE
IMPORTANT
Earn 100

Explain the meaning to term compression and rarefaction in relation to a longitudinal wave. 

Important Questions on Propagation of Sound Waves

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 14
Explain the term crest and trough in relation to a transverse wave.
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 15
Describe an experiment to show that in wave motion, only energy is transferred, but particles of medium do not leave their positions.
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 16
Define the term amplitude of a wave. Write it's S.I. Unit.
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 17
What do you mean by the frequency of a wave? State its S.I unit.
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 18
How is the frequency of a wave is related to its time period?
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 19
Define the term wave velocity. Write it's S.I. unit.
HARD
9th ICSE
IMPORTANT
Concise Physics I.C.S.E Part I For Class 9>Chapter 8 - Propagation of Sound Waves>EXERCISE–8(A)>Q 20
Draw displacement -time graph of a wave and show on it the amplitude and time period of the wave.
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 21
Draw a displacement and time graph of a wave and mark on it , the amplitude of the wave by letter a and wavelength by letter λ.