A ray PQ is incident normally on the face AB of a triangular prism of refracting angle of 60 - Physics - Ray Optics And Optical Instruments

Question

A ray PQ is incident normally on the face AB of a triangular prism
of refracting angle of 60° made of a transparent material of
refractive index 2 3 as shown in the figure
Trace the path of the ray as it passes through the prism Also,
calculate the angle of emergence and angle of deviation

Vaibhav T. · Accepted Answer

Dear Student,

<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/ck-files/ck_58abf9bdce49d%20png"
style="width: 249px; height: 214px;">
If iC is the critical angle for the prism/material, μ=1sin iCsin iC=1μ=32iC=60°Angle of incidence at the face of the prism=60°Hence, refracted ray grazes the surface ACAngle of emergence=90°Angle of deviation=30°

A ray PQ is incident normally on the face AB of a triangular prism of refracting angle of 60° made of a transparent material of refractive index 2 3 as shown in the figure. Trace the path of the ray as it passes through the prism. Also, calculate the angle of emergence and angle of deviation.