Biology, asked by chinchu9278, 11 months ago

Sound becomes hazardous noise pollution at
level
(a) above 30 dB (b) above 80 dB
(c) above 100 dB (d) above 120 dB

Answers

Answered by harshkum2004
0

Answer:

D)

Explanation:

Sound becomes hazardous above 120 dB

Answered by hotelcalifornia
0

Sound becomes hazardous noise pollution at level above 80 dB.

Option (b).

Explanation:

  • Sound is defined as when the sound waves pass through the medium of air it made a vibration of the molecule.
  • The level of sound is measured by decibels(dB).
  • The average sound level which is measured below 60 typically does not cause any damage to our ears.
  • The sound level of more than 80 dB can cause noise which leads to dangerous hearing loss.
  • This kind of noise will also affect our health by causing blood pressure and many disorder.
  • Hence, the correct answer is 'Above 80 dB'.
  • City traffic can contain the sound level up to 80-85dB

Learn more about sound

A sound wave travels 2000m in 8second. What is the velocity of the sound

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Describe a simple experiment to show that sound cannot propagate through vacuum

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