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Centre of excellenceSINGLE CHOICE QUESTIONsics (Q.1 to 10)If the frequency of a wave is increased by 25% then the change in its wave length will be:[medium non changed](A) 20% increase (B) 20% Decrease (C)25% increase (D) 25% Decrease

Answer»

The velocity of light will be constant in this case as the same medium is considered.

As the frequency is inversely proportional to the wavelength of light,the wavelength will decrease by 25%.

Hence, option (D) is correct.



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