Right angled prisms can be used to
Deviate a ray through 90 degree and 180 degree
Invert an image without deviation
Both a and b
Disperse the light in all directions
a) Deviate a ray through 90 degree and 180 degree.
b) Invert an image without deviation.
A total reflecting right angled isosceles prism can be used to deviate a ray of light through :
(a) 30∘ (b) 60∘ (c) 75∘ (d) 90∘