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A source emitting light of wavelengths 480 nm and 600 nm is used in a double slit interference experiment. The separation between the slits is 0.25 mm and the interference is observed on a screen placed at 150 cm from the slits. Find the linear separation between the first maximum (next to the central maximum) corresponding to the two wavelengths.

A

`0.72 mm`

B

`0.72 cm`

C

`7.2 cm`

D

`7.2 mm`

Text Solution

Verified by Experts

The correct Answer is:
A
`(dy)/(D) = n lambda`
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