MEDIUM
9th CBSE
IMPORTANT
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Can sound wave travel through vacuum?

Important Questions on Sound

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 01>Q 2
Give one difference between longitudinal and transverse wave.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 01>Q 3
What is the nature of sound waves?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 01>Q 5
How density of particles of compression and rarefaction of a wave different from each other?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 1

Wave of frequency 200 Hz is produced in a string as shown in the figure. Find amplitude, wavelength and velocity of the wave.

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MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 2
A sound wave has a frequency of 2 kHz and wavelength 35 cm. How long will it take to travel 1.5 km?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 3
Define decibel and on what factor does it depend?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 4
Name the characteristic which helps us to distinguish between a man's voice and woman's voice without seeing them.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 5
What happens to the speed of sound when it goes from solid to gaseous state?