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A ray of light travelling in transparent...

A ray of light travelling in transparent medium of refractive index`mu`falls on a surface separating the medium from air at an angle of incidence of `45^(@)`. For which of the following value of `mu`the ray can undergo total internal reflection ?

A

`mu gt 1.33`

B

`mu gt 1.4 `

C

`mu gt 1.5 `

D

`mu gt 1.25`

Text Solution

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The correct Answer is:
B
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MOTION-RAY OPTICS-Exercise-3
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  9. A thin prism of angle 15^(@) made of glass of refractive index mu(1)=1...

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  15. The graph between the image distance (v ) and object distance (u) from...

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  17. The angle of a prism is A . One of its refracting surfaces is silvered...

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  18. If the focal length of the objective lens is increased then

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