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Physics GK · Q195

Light

Competitive Exams · Physics GK · question 195

Q195

Which one of the following statement is correct?

A.
The image formed by a concave mirror for an object lying at infinity is at the principal focus, highly diminished, real and inverted
Answer
B.
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
C.
The focal length of a spherical mirror is double of its radius of curvature
D.
A ray of light travelling from a rarer medium to a denser medium bends away from the normal

Answer: Option A

Solution

Answer: Option A
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