NDA General Science Physics Questions Part 1

Question : 7 of 100

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Which one of the following statements is correct?

[NDA II 2015]

The image formed by a concave mirror for an object lying at infinity is at the principal focus, highly diminished, real and inverted
A ray of light parallel to the principal axis after reflection from a concave mirror appears to diverge from the principal focus of the mirror
The focal length of a spherical mirror is double of its radius of curvature
A ray of light travelling from a rarer medium to a denser medium bends away from the normal

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