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If a ray of light passes through a prism...

If a ray of light passes through a prism symmetrically, calculate the angle of incidence and the angle of deviation. Angle of the prism = `80^(@) , mu = 1.5, sin40^(@) = 0.6428, sin 74^(@)37' = 0.9642`.

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The correct Answer is:
`"angle of incidence" = 74^(@)37' ; "angle of deviation " = 69^(@)14'`
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