Question 186: Waves

Question

When temperature increases, the frequency of a tuning fork

Accepted Answer

KEY CONCEPT :
The frequency of a tuning fork is given by the expression
$$f = {{{m^2}k} \over {4\sqrt 3 \pi {\ell ^2}}}\sqrt {{Y \over \rho }} $$
As temperature increases, $$\ell $$ increases and therefore $$f$$ decreases.

Answer

increases

Answer

decreases

Answer

remains same

Answer

increases or decreases depending on the material

Waves

When temperature increases, the frequency of a tuning fork

Choose the correct answer: