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If an interfernce pattern,at a point we ...

If an interfernce pattern,at a point we observe the `16^th`order maximum for `lambda_(1)=6000Å`.what order will be visible here if the soruce is replaced by light of wavelength `lambda_(2)=4800Å`

A

`40`

B

`20`

C

`10`

D

`80`

Text Solution

Verified by Experts

The distance of a bright fringe from zero order fringe I s given by-`X_(n)=(nlambdaD)/(d)`
D&d is constant
`n_(1)lambda_(1)=n_(2)lambda_(2)`
`n_(1)=16,lambda_(1)=6000A^(@),lambda_(2)=4800A^(@)`
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