MEDIUM
8th CBSE
IMPORTANT
Earn 100

Give an example to show that light travels faster than sound.

Important Questions on Sound

MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q F
What factors decide the frequency of vibration of a plucked string?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q F
What factors decide the frequency of vibration of an air column?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q F
If you hear a firecracker 2 seconds after it is fired, how far away from it are you? (Assume the speed of sound in air to be 330 m/s.) 
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q F
Describe the structure and function of the eardrum.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q F
What is noise pollution?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q F
What kind of material can be used in the house to make it more soundproof?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q G
What are the characteristics of vibrations? Describe them.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 13 - Sound>Exercises>Q G
Describe the three characteristics of sound.