In bipism experiment, the distance of `20^(th)` bright band from the centre of the interference pattern is 8 mm. The distance of the `30^(th)` bright
In bipism experiment, the distance of `20^(th)` bright band from the centre of the interference pattern is 8 mm. The distance of the `30^(th)` bright band is
A. 4 mm
B. 8 mm
C. 12 mm
D. 16 mm
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Correct Answer - C
`(x_(30))/(x_(20))=(30beta)/(20 beta)`
`:. X_(30)=(30)/(20)x_(20)=12 mm`
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