The angle of incidence i and refraction r are equal in a transparent slab when the value of i is

The angle of incidence i and refraction r are equal in a transparent slab when the value of i is

Q. The angle of incidence i and refraction r are equal in a transparent slab when the value of i is

A.            0°

B.            45°

C.            90°

D.            depend on the material of the slab

Answer: 0°

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page