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Byju's Answer
Standard X
Physics
Curved Mirror
Concave mirro...
Question
Concave mirrors are silver coated over the
face.
A
depressed
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B
bulged
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C
plane
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Solution
The correct option is
B
bulged
A concave mirrors is a spherical mirror whose bulged side is silver coated. Concave mirrors are converging mirrors.
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Concave mirrors are silver coated over the
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Q.
An isosceles glass prism having refractive index
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has one of its faces coated with silver. A ray of light is incident normally on the other face(which is equal to the silvered face). The ray of light is reflected twice on the same sized faces and then emerges through the base of the prism perpendicularly. The angles of the prism are:
Q.
Two big mirrors A and B are fitted side by side on a wall. A man is standing at such a distance from the wall that he can see the erect image of his face in both the mirrors. When the man starts walking towards the mirrors, he finds that the size of his face in mirror A goes on increasing but that in mirror B remains the same.
(a) mirror A is concave and mirror B is convex
(b) mirror A is plane and mirror B is concave
(c) mirror A is concave and mirror B is plane
(d) mirror A is convex and mirror B is concave
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