Question

A line drawn from any point on a concave mirror to its center of curvature is called-------
a.normal
b.principal axis
c.radius of curvature
d.focal length

2. when parallel beam of sun rays fall on a concave mirror and reflect, they meet at---
a.concave of curvature
b.focal point
c pole of the mirror
d.any thing







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Answer 1

Answer:

1 ) focal length is Right answer

2) focal point is right answer

Explanation:

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