A man can hear sounds in frequency range 120 Hz to 12020 Hz only. He is playing a piano whose strings have a tension of 240 N and mass of 3 g. The string has a length of 8 m. How many different frequencies can he hear?
Text Solution
Verified by ExpertsThe correct answer is:
B
From 120 Hz to 
frequencies he can hear. The frequencies are 
, and so on.
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