What are the applications of $45^{o}, 90^{o}, 45^{o}$ prism?

deviate a light through

90^{o}

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deviate a light through

180^{o}

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erect the inverted image without deviation

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all of the above

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Solution

The correct option is D all of the above
$A n s w e r :: -$ D
See the image all A, B, C options are satisfied.
Image is rotated 90 degree.
Image is rotated 180 degrees.
image can also be inverted (If 3 prism are joined in series and formed the above figure (c)).

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Similar questions

90^{o}

180^{o}

△ A B C, ∠ B = 90^{o}, ∠ A = 45^{o} = ∠ C

sec 45^{o} =

{sin}^{2} 30^{o} {cos}^{2} 45^{o} + 4 {tan}^{2} 30^{o} + \frac{1}{2} {sin}^{2} 90^{o} - 2 {cos}^{2} 90^{o}

\frac{x {cosec}^{2} 30^{o} {sec}^{2} 45^{o}}{8 {cos}^{2} 45^{o} {sin}^{2} 90^{o}} = {tan}^{2} 60^{o} - {tan}^{2} 45^{o}

x

45^{o} - 45^{o} - 90^{o}

\frac{1}{\sqrt{2}}

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