MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
Earn 100

A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.

Important Questions on Sound

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 6
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 7
Identify the part which vibrates to produce sound in the following instruments:
Dholak
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 7
Identify the part which vibrates to produce sound in the following instruments:
Sitar
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 7
Identify the part which vibrates to produce sound in the following instruments:
Flute
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 8
What is the difference between noise and music? Can music become noise sometimes?
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 9
List sources of noise pollution in your surroundings.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 10
Explain in what way noise pollution is harmful to humans.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 11
Your parents are going to buy a house. They have been offered one on the roadside and another three lanes away from the roadside. Which house would you suggest your parents should buy? Explain your answer.