SaraNextGen.Com

The cross-section of a glass prism has the form of an isosceles triangle. One of the refracting faces is silvered. A ray of light falls normally on the other refracting face. After being reflected twice, it emerges through the base of the prism perpendicular it. The angles of the prism are

a)

b)

c)

d)



Question ID - 152892 | SaraNextGen Top Answer

The cross-section of a glass prism has the form of an isosceles triangle. One of the refracting faces is silvered. A ray of light falls normally on the other refracting face. After being reflected twice, it emerges through the base of the prism perpendicular it. The angles of the prism are

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Form

Or

Now, complementary angle at point

Only option (b) satisfies this

127 votes


127