In a Young's double slit | Wave Optics | JEE MAIN 2019

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JEE MAIN 2029

09-01-19 S2

Question

In a Young's double slit experiment, the slits are placed 0.320 mm apart. Light of wavelength $\lambda=500 \mathrm{~nm}$ is incident on the slits. I he total number of bright fringes that are observed in the anqular range $-30^{\circ} \leq \theta \leq 30^{\circ}$ is

Select the correct option:

A

640

B

320

C

321

D

641

✓ Correct! Well done.

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