EASY
8th CBSE
IMPORTANT
Earn 100

Define the amplitude and frequency of a sound.

Important Questions on Sound

MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
What is a vocal cord? What causes a vocal cord to vibrate?
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
Why is the upper part of the voice box covered by a flap?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
What is a decibel? Give some examples of decibel level measurements.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
What is the function of an eardrum in a human ear?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
Give three examples each of a shrill and a shallow sound.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
What do you mean by a sound of frequency 20 Hertz? What will the time period of this sound?
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q D
Explain with the help of a diagram of the larynx, the mechanism of human sound production.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q D
Identify various parts of different musical instruments, which vibrate to produce sound.