When temperature increases, the frequency of a  tuning fork

  • Option 1)

    increases

  • Option 2)

    decreases

  • Option 3)

    remains same

  • Option 4)

    increases or decreases depending on the material

 

Answers (1)

As we learnt in

Speed of wave on string -

v= \sqrt{\frac{T}{\mu }}
 

- wherein

T= Tension in the string

\mu = linear mass density

 

 

 

When temperature increases, l  increases

Hence frequency decreases.

Correct option is 2.


Option 1)

increases

This is an incorrect option.

Option 2)

decreases

This is the correct option.

Option 3)

remains same

This is an incorrect option.

Option 4)

increases or decreases depending on the material

This is an incorrect option.

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