Question

In the Young's double- slit experiment, the intensity of light at a point on the screen where the path difference is λ is K, (λ being the wave length of light used). The intensity at a point where the path difference is $\frac{λ}{4}$, will be:

• A. $\frac{K}{4}$
• B. $\frac{K}{2}$
• C. Zero
• D. K

Answer 1

Answer: (B)

$\frac{K}{2}$

Answer 2

The correct option (B): $\frac{K}{2}$