JEE Main 2002 Physics question

When temperature increases, the frequency of a tuning fork

(1)increases
(2)decreasesCorrect
(3)remains same
(4)increases or decreases depending on the material

Answer: (2)

Solution

The frequency of a tuning fork depends on the length of its prongs and the elastic modulus of its material (). On heating, the prongs expand (length increases) and the

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Question ID VK-037876