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Which mirror is to be used to obtain a ...

Which mirror is to be used to obtain a paralle beam of light from a small lamp?

A

a) plane mirror

B

b) Convex mirror

C

c) Concave mirror

D

d) None of the above

Text Solution

Verified by Experts

The correct Answer is:
A, C
When the small lamp is placed at the focus of the concave mirror, the reflected light is a parallel beam.
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