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In Young’s double slit experiment the sl...

In Young’s double slit experiment the slits are 0.5 mm apart and the interference is observed on a screen at a distance of 100 cm from the slit. It is found that the 9th bright fringe is at a distance of 7.5 mm from the second dark fringe from the centre of the fringe pattern on same side. Find the wavelength of the light used.

Text Solution

Verified by Experts

The correct Answer is:
`5000 Å`
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