Question

While using an electric bulb, the reflection for street lighting should be from
(a) Concave mirror
(b) Convex mirror
(c) Cylindrical mirror(d) Parabolic mirror

Answer 1

answer : option (b) convex mirror.

explanation : To spread the light of electric bulb in maximum areas , we should use a diverging mirror to reflect the light of electric bulb for street lighting.

we also know that convex mirror is a diverging lens. Therefore, While using an electric bulb, the reflection for street lighting should be from convex mirror.

hence, option (b) is correct

Answer 2

Answer:Answer is B Convex mirror.

Explanation:Because convex mirror diverge the ray of light. So, it is used in street light to see abroad areas.