Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window of 60 dB. How much ‘acoustic powder’ enters the window via

A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window of 60 dB. How much ‘acoustic powder’ enters the window via

A windows whose area is 2 m^2 opens on street where the street noise result in an intensity level at the window of 60 dB. How much 'acoustic powder' enters the window via