6. A ray P0 is incidentnormally on the face PAB of a triangularprism o

1.	6. A ray P0 is incidentnormally on the face PAB of a triangularprism of refractingangle of 60° made ofatransparent materialof refractive index 2//3 as shown in thefigure. Trace the path of the ray as itpasses through the prism. Also, calculatethe angle of emerdeviation, Delhi 2014Cgence and angle of
Answer» If iCis the critical angle for the prism/ material, Angle of incidence at face AC of the prism = 60° Hence, refracted ray grazes the surface AC. => Angle of emergence = 90° => Angle of deviation = 30°. Like my answer if you find it useful!

6. A ray P0 is incidentnormally on the face PAB of a triangularprism of refractingangle of 60° made ofatransparent materialof refractive index 2//3 as shown in thefigure. Trace the path of the ray as itpasses through the prism. Also, calculatethe angle of emerdeviation, Delhi 2014Cgence and angle of

Answer»

If iCis the critical angle for the prism/ material,

Angle of incidence at face AC of the prism = 60°

Hence, refracted ray grazes the surface AC.

=> Angle of emergence = 90°

=> Angle of deviation = 30°.

Like my answer if you find it useful!

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