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Which type of mirror is used to focus light rays?
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Which type of mirror is used to focus light rays?

User Kujtim
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i be leave it is a concave mirror
and please do not report me be cause people do that and say my answers are not good
User FutbolFan
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Astronomical (reflecting) telescopes. In a reflecting telescope, instead of a convex objective lens, a concave mirror is used to collect parallel rays from the object and form an image at the focal point
User Rafa Viotti
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