EASY
9th CBSE
IMPORTANT
Earn 100

When the frequency of the sound increases, the wavelength (decreases/ increases).

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Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 41
What is a vacuum? Explain why sound cannot travel through a vacuum?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 42
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 43
Distinguish between longitudinal and transverse waves.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 43
Are sound waves longitudinal or transverse?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 44
A cricket ball is seen to hit the bat first and the sound of hitting is heard a little later. Why?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 45
Explain why the flash of lightning reaches us first, and the sound of thunder is heard a little later?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 46
Explain why the flash of a gunshot reaches us before the sound of the gunshot?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 47
Which of the following terms apply to sound waves in the air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal.