The angle of deviation produced by the glass slab is …………… .
A. 0°
B. 20°
C. 90°
D. depends on the angle formed by the light ray and normal to the slab
Answer:D
The angle of deviation produced by the glass slab is …………… .
A. 0° B. 20° C. 90° D. depends on the angle formed by the light ray and normal to the slab