A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
Doppler?s effect is observed readily in sound wave due to larger wavelengths. The same is not the case with light due to shorter wavelength in everyday life.
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