EASY
8th CBSE
IMPORTANT
Earn 100

Give the term for 'number of vibrations per second'.

Important Questions on Sound

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
Frequency is measured in SI units _____.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
The pitch of sound depends on time period of vibration. True or false? 
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
In general, which sound has greater frequency—a bird singing or a man singing?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
Most vibrating objects generate sound of several frequencies simultaneously. True or false?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
The quality of two sounds with the same fundamental frequency differs because of the number and relative loudness of the _____ produced.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
The sound produced by a tuning fork has no harmonics. True or false?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
The pitch of the sound produced in a guitar can be altered by reducing the vibrating length of the wire. True or false?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 13 - Sound>EXERCISES>Q B
What is the name given to sound produced by irregular vibrations?