Test: Spherical Mirror
5 Questions MCQ Test Science Class 10 | Test: Spherical Mirror
A spherical mirror in which silver coating is done on the inner surface is
Convex Mirror is a curved mirror where the reflective surface bulges out towards the light source. Silver coating is done inside the mirror.
Which mirror is used to concentrate the light on a given spot ?
A concave mirror, or converging mirror, has a reflecting surface that is recessed inward. Concave mirrors reflect light inward to one focal point, they are used to focus light.
A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. The shapes of the three parts of the special mirror are
The name and radius of curvature of a spherical mirror whose focal length is +2 cm is
Radius of curvature ( R) = 2* Focal length (f)
Since, f=+2 cm, therefore, R= 2*(+2) = +4 cm
If it is a convex mirror, since it's focal length is positive.
The concave mirrors are used in
A reflecting telescope uses concave mirror as they produce images similar to the images produce by convex lenses ie. , upright and smaller than the object.
The magic lantern uses a concave mirror in back of a light source to direct as much of the light as possible through a small rectangular sheet of glass.
Concave mirrors project a beam of light outward, which is required in a cinema projector.
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