1.

Assertion:   In\[y=A\sin (\omega \,t-kx),\]\[(\omega t-kx)\]is dimensionless. Reason:     Because dimension of \[\omega =[{{M}^{0}}{{L}^{0}}T].\]

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.  5.2% 
D.    If the assertion and reason both are false.
E.   If assertion is false but reason is true.
Answer» D.    If the assertion and reason both are false.


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