A solar furnace is to be built so that incoming parallel sunlight is brought to a…

PHYSICS · Single correct · CBSE · Physics · Light: Mirrors and Lenses · Light: Mirrors and Lenses

Problem

A solar furnace is to be built so that incoming parallel sunlight is brought to a focus 0.50 m in front of the reflecting surface. Which of the following choices of mirror type and radius of curvature will satisfy this requirement? (a) Concave mirror, radius of curvature

0.50\,\text{m}

(b) Convex mirror, radius of curvature

1.0\,\text{m}

1.0\,\text{m}

(d) Concave mirror, radius of curvature

0.25\,\text{m}

Related theory

Spherical Mirrors
Optics
Curved mirrors
Concentrating light with mirrors

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