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Social Science13.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.aB
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13. o Laht aters curved side ot a Semi-cylindrical dish ot water alng a radius hne at an anle of -25.Wl yh leave the dish thmugh the flat side? If so,at what angle of retactiun?t not, why not? Far water,n 1.323. е A. NO haht will notext There mll be a intemal retlection C Yes, the lyht mll extaran angle of 185°. Yes, the light mll exitatan aple of 34.a B
Expert Answer
Given:
Angle of incidence = 25ο
Refractive index if water, n = 1.333
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incident ray 25 water air reflected ray
Condition for refraction is that the angle of incidence must be less than critical angle in order to avoid total internal reflection.
Critical angle can be ...
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1 sin i n where, is the critical angle n is the refractive index plug in the values 1 sin i 1.333 1 i =sin 1.333 i=48.61°
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