The tension in a piano wire is 10 N. The...

The tension in a piano wire is `10 N`. The tension ina piano wire to produce a node of double frequency is

A

5 N

B

20 N

C

40 N

D

80 N

Text Solution

Verified by Experts

The correct Answer is:

C

Since, `fpropsqrt(T)`
`implies (f_(1))/(f_(2))=sqrt((T_(1))/(T_(2)))implies(f)/(2f)=sqrt((10)/(T_(2)))impliesT_(2)=40N`

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