Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

Options:

a

b

c

d

Correct Answer:

a

Explanation:

$\text{Distance between first maxima and fifth minima is } \frac{7\lambda D}{2d}$

$\Rightarrow \frac{7\lambda D}{2d} = 7mm$

$\Rightarrow \lambda = 600nm$