UPSC CAPF AC 2013 Paper
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Question : 70 of 125
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Statement I
The mirror used in searchlight is parabolic.
Statement II
All the rays coming from the source at the focus of a parabolic mirror are reflected as an intense parallel beam
The mirror used in searchlight is parabolic.
Statement II
All the rays coming from the source at the focus of a parabolic mirror are reflected as an intense parallel beam
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