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Emran Kar
Asked: 2022-11-08T07:20:30+05:30 In:

To make the central fringe at the center`O` , mica sheet of refractive index `1.5` is introduced Choose the corect statement.
image
A. the thickness of sheet is `2(sqrt(2)-1)d` infront of `S_(1)`
B. the thickness of sheet is `(sqrt(2)-1)d` infront of `S_(2)`
C. the thickness of sheet is `2sqrt(2)d` infront of `S_(1)`
D. the thickness of sheet is `(2sqrt(2)-1)d` infront `S_(1)`.

To make the central fringe at the center`O` , mica sheet of refractive index `1.5` is introduced Choose the corect statement.
image
A. the thickness of sheet is `2(sqrt(2)-1)d` infront of `S_(1)`
B. the thickness of sheet is `(sqrt(2)-1)d` infront of `S_(2)`
C. the thickness of sheet is `2sqrt(2)d` infront of `S_(1)`
D. the thickness of sheet is `(2sqrt(2)-1)d` infront `S_(1)`.
Parabola
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  1. Correct Answer – A
    Here the shift produced by mica sheet of thickness `t` is `(mut-t)=t(mu-1)`. It should be equal to extra path traveled by the ray `SS_(2)O` i.e., `Delta=SS_(2)-d=sqrt(2)d-d`
    `implies(t)/(2)=d(sqrt(2)-1)impliest=2d(sqrt(2)-1)` infront of `S_(1)`

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Moti Dev Master
Asked: 2022-10-29T02:33:55+05:30 In:

To make the central fringe at the center`O` , mica sheet of refractive index `1.5` is introduced Choose the corect statement.
image
A. The thickness of sheet is `(d^(2))/(D)` in front of `S_(1)`
B. The thickness of sheet is `(d^(2))/(D)` in front of `S_(2)`
C. The thickness of sheet is `(d^(2))/(2D)` in front of `S_(1)`
D. The thickness of sheet is `(d^(2))/(2D)` in front of `S_(1)`

To make the central fringe at the center`O` , mica sheet of refractive index `1.5` is introduced Choose the corect statement.
image
A. The thickness of sheet is `(d^(2))/(D)` in front of `S_(1)`
B. The thickness of sheet is `(d^(2))/(D)` in front of `S_(2)`
C. The thickness of sheet is `(d^(2))/(2D)` in front of `S_(1)`
D. The thickness of sheet is `(d^(2))/(2D)` in front of `S_(1)`
Parabola
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  1. Correct Answer – A

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