which of the following can make a parallel beam of light when light from a point source is incident on it?
Options:
a) Concave mirror as well as Convex lens
b) Convex mirror as well as Concave lens
c) Two plane mirrors placed at 90⁰ to each other
d) Concave mirror as well as Concave lens
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Answer:
Which of the following can make a parallel beam of light when light from a point source is incident on it? Explanation: When a point light source is placed at the focus of concave mirror then it all light rays after reflection through mirror will become parallel to the principal axis.
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Explanation:
When a point light source is placed at the focus of concave mirror then it all light rays after reflection through mirror will become parallel to the principal axis.
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