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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

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

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Dear student

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

=2.5

Regards

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