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The distance of the 10th dark band from ...

The distance of the 10th dark band from the centre of interference pattern is 28.5 mm. the band width is

A

`.15xx10^(-3)m`

B

`2.85xx10^(-3)m`

C

`3xx10^(-3)m`

D

`2.25xx10^(-3)m`

Text Solution

Verified by Experts

The correct Answer is:
C
Distance of 10th dark band=(9.5)X
`therefore (19)/(2)X=(57)/(2)mm" "therefore X=3mm`
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