Assertion (A): Wave of wavelength \( 50 \mathrm{~cm} \) is propagating on a string. The phase di...

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Assertion (A): Wave of wavelength \( 50 \mathrm{~cm} \) is propagating on a string. The phase difference between two points separated by \( 5 \mathrm{~cm} \) is \( 0.2 \pi \) radian.
Reason \( (\mathbf{R}) \) : Phase difference \( =\left(\frac{2 \pi}{\lambda}\right) x \), where \( \mathrm{x} \) is the path difference.
(1) Both Assertion (A) and Reason (R) are True and the Reason (R) is a correct explanation of the Assertion (A).
(2) Both Assertion (A) and Reason ( \( R \) ) are True but Reason(R) is not a correct explanation of the Assertion (A).
(3) Assertion (A) is True but the Reason (R) is False.
(4) Assertion (A) is False but the Reason (R) is True.
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