EASY
9th CBSE
IMPORTANT
Earn 100

Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.

Important Questions on Sound

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.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 48
Name four ways in which sound can be produced.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Short Answer Type Questions>Q 48
Calculate the speed of a sound wave whose frequency is 2 kHz, and wavelength 65 cm.