EASY
8th CBSE
IMPORTANT
Earn 100

The SI unit of frequency is . (hertz/ ohm)

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Important Questions on Sound

EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 1
Sound can be produced irrespective of whether there are vibrations or not.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 2
The speed of sound depends on temperature.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 3
A non-vibrating body can produce sound.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 4
High frequency sound has low pitch.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 5
Wind instruments produce sound due to the vibration of the stretched membrane of them.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 6
A short flute will produce the sound of a lower pitch than a long flute.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 7
Excessive noise may cause deafness.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 13 - Sound>LET's Learn And Evaluate>Q 1
Define frequency.