Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If a frequency of 100 Hz is to be produced, then required length of string is - Sarthaks eConnect
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A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If a frequency of 100 Hz is to be produced, then required length of string is:

A.

62.5 m

B.

50 cm

C.

40 cm

D.

37.5 cm