EASY
9th CBSE
IMPORTANT
Earn 100

Draw labelled diagrams to represent loud sound of a given frequency.

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Explain why, when a drum is beaten lightly, a soft sound is heard but when it is beaten strongly, a loud sound is heard?
EASY
9th CBSE
IMPORTANT
A violin and a sitar may have same frequency, yet we can distinguish between their notes. Why?
MEDIUM
9th CBSE
IMPORTANT
Describe an experiment to show that sound cannot pass through the vacuum.
MEDIUM
9th CBSE
IMPORTANT
How does sound generated through air when the tuning fork vibrates?
MEDIUM
9th CBSE
IMPORTANT
Describe a simple experiment to show that the prongs of a sound-producing tuning fork are vibrating.
MEDIUM
9th CBSE
IMPORTANT
Define the terms ‘frequency, ‘amplitude’, wavelength’ and ‘speed’ of a sound wave.
EASY
9th CBSE
IMPORTANT
How is sound produced? Explain with the help of an example.
 
MEDIUM
9th CBSE
IMPORTANT
How does sound from a sound producing body travel through air to reach our ears? Illustrate your answer with the help of a labelled diagram.