EASY
9th CBSE
IMPORTANT
Earn 100

Define frequency.

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 12
Define intensity.
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 12
Define quality of sound.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 13
Make a list of different types of musical instruments and find the part of the instrument which vibrates to produce sound.
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 14

Name two sound waves inaudible to human beings. Give their range of frequencies.

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 1

SONAR stands for _____.

(Choose from : Sound Navigation And Ranging / Sound Navigation And Recording)

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 2
Can we get echo in a small room?
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 3

Name the phenomenon responsible for rolling of thunder.

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 4

The good directional property of ultrasound waves are used for _____.

(magnification/scanning)