Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

Options:

a

b

c

d

Correct Answer:

a

Explanation:

$\text{Fringe Width}\beta = \frac{\lambda D}{d}$

$ \Rightarrow \beta \propto \frac{1}{d}$

$\text{ if slit width is made 3 times then fringe width will be one third of initial value}$