Question

The intensity at each slit is equal for a YDSE and it is maximum $I_{max}$ at $7π$ central maxima. If I is intensity for phase difference $\frac{7π}{2}$ between two waves on screen. Then $\frac{I}{I_{max}}$ is?

• A. $\frac{1}{2}$
• B. $\frac{1}{4}$
• C. $\frac{3}{8}$
• D. $\frac{1}{\sqrt2}$

Answer 1

Answer: (A)

$\frac{1}{2}$

Answer 2

The correct option is (A): $\frac{1}{2}$