MEDIUM
9th Telangana Board
IMPORTANT
Earn 100

With the help of a diagram describe how compression and rarefaction pulses are produced in air near a source of sound.

Important Questions on Sound

MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Let us Improve our learning>Q 5
How are multiple reflections of sound helpful to doctors and engineers?
HARD
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Let us Improve our learning>Q 1
Explain the working and applications of SONAR.
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Let us Improve our learning>Q 2
How do you appreciate efforts of a musician to produce melodious sound using a musical instrument by simultaneously controlling frequency and amplitude of the sounds produced by it?
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Let us Improve our learning>Q 3
How do echoes in a normal room affect the quality of the sounds that we hear?
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Multiple choice questions>Q 1
When can you say that the sound is propagating through a medium?
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Multiple choice questions>Q 2
The unit for the number of waves produced in a second is
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Multiple choice questions>Q 3
The sounds of frequency less than 20 Hz are known as
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 12 - Sound>Multiple choice questions>Q 4
The sound limit between the frequency of 20 Hz -20000 Hz is called as