Assertion: Light Year And Wavelength Have Same Dimensional Formula.Reason: Both Have The Dimensions Of Time.(A) Both Assertion And Reason Are Incorrect.(B) Assertion Is Correct And Reason Is Incorrect.(C) Both Assertion And Reason Are Correct And Reason Is The Correct Explanation For Assertion. (D) Both Assertion And Reason Are Correct But Reason Is Not The Correct Explanation For Assertion

The correct answer is (B) Assertion Is Correct And Reason Is Incorrect.

Light year and wavelength both represents the distance. Hence, both have the same dimensional formula. But not the dimensions of time.

The dimensional formula of a light-year is given by, M0 L1 T0

Where,

M = Mass

L = Length

T = Time

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