Advertisements
Advertisements
प्रश्न
Explain the Term: Decibel
Advertisements
उत्तर
The unit to measure sound is called decibel.
APPEARS IN
संबंधित प्रश्न
Suggest measures to avoid noise pollution in classroom.
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.
List two major harmful effects of the following:
Prolonged noise such as the one produced by crackers.
Write the answer in your own words.
What measures will you take to control noise pollution?
How does noise pollution affect animals?
With reference to noise pollution, answer the following:
How do the airplanes cause noise pollution?
Short answer type question
Dandiya raas is not allowed after 10.00 pm. Why?
Lcrud noise or even loud music can damage our eyes.
Boojho saw a cracker burst at night at a distance from his house. He heard the sound of the cracker a little later after seeing the cracker burst. Give reason for the delay in hearing the sound.
What is the name of the sound produced by irregular vibrations?
