EASY
8th Maharashtra Board
IMPORTANT
Earn 100

How is sound produced ?

Important Questions on Sound

MEDIUM
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Use your brain power
If sound waves are generated in air, what moves away from the source? Is it the air itself or the state of compression and rarefaction created in the air?
MEDIUM
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Observe and discuss

Identify the instruments and discuss sound production in it.

Question Image

MEDIUM
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Observe and discuss

Identify the instruments and discuss sound production in them.

Question Image                

MEDIUM
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Observe and discuss

Identify the instruments and discuss sound production in them.

Question Image              

EASY
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Exercises>Q 1
Medium is _____(required/ not required) for generation of sound.
EASY
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Exercises>Q 1

The total number of compressions and rarefactions produced per second in a sound wave is 1000. The frequency of the sound wave is _____ .

(Choose from: 500 Hz/1000 Hz/2000 Hz )

EASY
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Exercises>Q 1
Different sound notes have different _____ (frequencies/ amplitudes).
MEDIUM
8th Maharashtra Board
IMPORTANT
General Science>Chapter 15 - Sound>Exercises>Q 2
Give scientific reasons why it is essential to change the tension on the vocal cords, as we produce different sound notes from our larynx.