Question

Assertion: With a small concave mirror we can heat up and burn a paper.
Reason: Concave mirror focuses the parallel sun rays at centre of Curvature of the mirror.
class 10

Answer 1

Answer:

both assertion and reason are true and the reason is the correct Explanation of assertion.

Answer 2

Answer:

The centre of curvature is the centre point of the circle or sphere. It is denoted as 2F or C. Pole- pole is a point on the principal axis and is the mid point of the spherical mirror. (a) Centre of curvature is the centre of the sphere of which the spherical mirror is a part.

Explanation:

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