The light Ray incident normally on the face AB of an isosceles right angled prismas shown in the figure - Physics - Refraction of Light

Question

The light Ray incident normally on the face AB of an isosceles
right angled prismas shown in the figure What will be the
refractive index of the material of the prism

Anshu Agrawal · Accepted Answer

Dear student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_6036489ddeb6e%20png"
style="width: 265px; height: 230px;">
Since the LN suffers total internal reflection, the critical angle
C must be less than 45°

Thus,  sin c=sin45∘=12⇒μ=1sinc=2​⇒μmin​=2

Regards

The light Ray incident normally on the face AB of an isosceles right angled prismas shown in the figure. What will be the refractive index of the material of the prism.