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When beats are formed between sound waves of slightly different frequencies, the intensity of the sound heard changes from maximum to minimum in 0.2 s. The difference in frequencies of the two sound waves is (1) 5 Hz (2) 4 Hz (3) 2.5 Hz (4) 2 Hz

veda vyas , 6 Years ago
Grade 12th pass
anser 1 Answers
Saurabh Koranglekar

Last Activity: 4 Years ago

Dear student

The diff in freq is (1/(2*(0.2)))

=2.5

Regards

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