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PhysicsQ&A Library13.oLaht aters curved side ot a Semi-cylindrical dish ot wateralng a radius hne at an anle of -25.Wl yhleave the dish thmugh the flat side? If so,at whatangle of retactiun?t not, why not? Far water,n 1.323.еA. NO haht will notextThere mll be a intemal retlectionC Yes, the lyht mll extaran angle of 185°.Yes, the light mll exitatan aple of 34.aBQuestion

Asked Nov 3, 2019

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Step 1

Given:

Angle of incidence = 25^{ο}

Refractive index if water, n = 1.333

Step 2

Condition for refraction is that the angle of incidence must be less than critical angle in order to avoid total internal reflection.

Step 3

Critical angle can be ...

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