When temperature increases, the frequency of a tuning fork
increases
decreases
remains same
increases or decreases depending on the material
As we learnt in
Speed of wave on string -
- wherein
Tension in the string
linear mass density
When temperature increases, 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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