SSC
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following are used as reflectors in street lights to spread the light over a wide area?
|
|
Concave mirrors
|
|
|
Plane mirrors
|
|
|
Convex mirrors
|
|
|
Convex lens
|
Explanation:
Detailed explanation-1: -Assertion: Convex mirrors are used as reflectors in street lamps. Reason: Convex mirrors are diverging mirrors and hence helping the light to spread over a larger area.
Detailed explanation-2: -Convex mirrors are widely used as rear-view mirrors in automobiles and vehicles because they can diverge light beams and make virtual images.
Detailed explanation-3: -Metal halide lamps/bulbs are mainly used in streetlights, parking lot lights, and stadium lights. They are very bright in color and contribute to a lot of light pollution. They are fairly efficient.
There is 1 question to complete.