There are two plane mirrors. They are mutually inclined as shown in figure. S is a source of monochromatic light of wavelength lamda. The reflected beam interfere and fringe pattern is obtained on the screen. If theta is small, the fringe width will be :

There are two plane mirrors. They are mutually inclined as shown in fi

1.	There are two plane mirrors. They are mutually inclined as shown in figure. S is a source of monochromatic light of wavelength lamda. The reflected beam interfere and fringe pattern is obtained on the screen. If theta is small, the fringe width will be :
Answer» `lamda//theta` `3lamda//2theta` `2lamda//3theta` NONE of these Answer :B

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There are two plane mirrors. They are mutually inclined as shown in figure. S is a source of monochromatic light of wavelength lamda. The reflected beam interfere and fringe pattern is obtained on the screen. If theta is small, the fringe width will be :

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