1.

In the Young's double slit experiment, if the phase difference between the two waves interfering at a point is f, the intensity at that point can be expressed by the expression [MP PET 1998; MP PMT 2003]

A. \[I=\sqrt{{{A}^{2}}+{{B}^{2}}{{\cos }^{2}}\varphi }\]
B. \[I=\frac{A}{B}\cos \varphi \]
C. \[3.80\,\,{AA}\]
D. \[I=A+B\cos \varphi \] Where A and B depend upon the amplitudes of the two waves.
Answer» E.


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