A ray of light travelling from glass to air (refractive index of glass=1.5). The angle of incidence is |
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A ray of light travelling from glass to air (refractive index of glass=1.5). The angle of incidence is |
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a) |
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b) |
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c) |
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d) |
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(b) Refractive index, Critical angle for glass When the angle of incidence in the denser medium is greater than the critical angle, reflection takes place inside the denser medium. Hence, a ray of light incident at Deviation (from the figure) Or |