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problem 1: Illustrate the following:

a) Transverse waves
b) Longitudinal waves
c) Wavelength
d) Frequency
e) Time period

problem 2: What do you mean by the term sound? Describe audible, infra-sonic and ultra-sonic sounds?

problem 3: What do you mean by noise? Describe the decibel scale with the concept of sound pressure level.

problem 4: Distinguish between the line source and point source.

problem 5: What are various indices of the noise pollution?

problem 6: Illustrate the noise pollution measured? Describe the standards of noise pollution in most of the countries?

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  • Category:- Science
  • Reference No.:- M98182

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