MHT CET Physics question
Sound level of a sound of intensity is 30 dB. The ratio is (where, is the threshold of hearing).
Answer: (C)
Solution
; 30, 300 and 3000 give 14.8, 24.8 and 34.8 dB. Hence the correct option is (c).
Sound level of a sound of intensity is 30 dB. The ratio is (where, is the threshold of hearing).
; 30, 300 and 3000 give 14.8, 24.8 and 34.8 dB. Hence the correct option is (c).