Question

A reflecting glass prism is better reflector than highly polished mirror.​

Answer 1

A reflecting glass prism is better reflector than highly polished mirror.​

Explanation:

• A right-angled prism may be a better reflector because light incident on its hypotenuse is completely reflected, without absorption of sunshine.
• On the opposite hand, just in case of a plane mirror, there's an opportunity of partial absorption of sunshine. Prisms make use of "total internal reflection" (TIR), a bonus over the losses you'd expect from mirrors.
• Mirrors only reflect about 95 percent of that reflected by prisms using appropriate TIR angles. Prisms also avoid the refraction distortion that may result when employing a glass fronted, reflective coated mirror
• Advantage of the prisms periscope compared to a mirror:

(a) the image is brighter because all the sunshine energy is reflected.

(b) the image is clearer because there aren't any multiple images as formed in a very mirror