Question

Parallel rays of light , falling on a concave lens , appear to diverge from a point :
a. at infinity
b. at twice the focal length
c. at the focus
d. between focus and the lens
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Answer 1

Answer:at infinity

Explanation:

Answer 2

Answer:

The answer is option C

Explanation:

When parallel beam of light falls on the concave mirror, the rays converge at a point whose distance is half the radius of curvature, the focus point and from it the next moment it seems to diverge from it.