Question

Name the type of mirror used in a solar furnace so that high temperature can be achieved by this device. (Concave, Convex)

Answer 1

- Hint: In order to solve this question first we will define the concave and convex mirror further then according to its property we will try to find our required answer that which mirror is used in a solar furnace.

Complete step-by-step solution -

A converging mirror or in general terms the concave mirror has a reflecting surface recessed inward (away from the glare of the incident). Concave mirrors reflect light to one focal point inwards.
Convex Mirror is a curved mirror where the reflecting surface protrudes into the source of light. This coating reflects light outwards and is not intended to absorb light.
So, a concave mirror is used in a solar furnace. The solar furnace is kept practically at the focal point of the broad concave reflector. The concave reflector guides the heat rays of the Sun on the furnace and attain the maximum temperature.
Hence, a concave mirror is used in a solar furnace.

Additional information- A mirror is both plane and circular. For comparison, there are two surfaces in a mirror, at least one of which is angled in or outwards. When the luminous beam hits the mirror, it mirrors the light in a different direction, producing an impression
Basic lenses and mirrors come in two types: convex and concave. Such styles vary in how and where light is centered. A concave lens diverges light—scatters it, and cannot focus it on—and the 'pic' it creates appears on the same side as the light it reflects.

Note- Other applications of concave mirror and convex mirror are various. Concave mirror is commonly used in hand shaving and cosmetics, lamps, microscopes, and telescopes. Convex mirrors are commonly used in cars as rear and side view mirrors, and in public buildings as security mirrors, as they allow you to see a wider view than flat or concave mirrors. Convex mirrors often form upright, simulated, and smaller images than the object itself.