MEDIUM
8th Chhattisgarh Board
IMPORTANT
Earn 100

Give the two examples each for sounds with a high pitch and with a low pitch.

Important Questions on Sound

MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>NOW ANSWER THESE>Q 2
What kind of sound is produced when vocal cords are thin and stretched?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>NOW ANSWER THESE>Q 3
How do birds, fishes and flies produce sound?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>QUESTIONS FOR PRACTICE>Q 1
The range of audible frequencies for human beings is-
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>QUESTIONS FOR PRACTICE>Q 1
On increasing the frequency of a sound, what else increases?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>QUESTIONS FOR PRACTICE>Q 1
To hear the echo clearly, the minimum distance of the reflecting surface should be -
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>QUESTIONS FOR PRACTICE>Q 1
Sound propagation is not possible -
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>QUESTIONS FOR PRACTICE>Q 2
Write the definitons of amplitude and frequency.
HARD
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 10 - Sound>QUESTIONS FOR PRACTICE>Q 3
How would you show through an experiment that sound can propagate in gases?