Question

Define focal length of the mirror?​

Answer 1

Answer:

Focal Length - The distance between the pole P of the concave mirror and the focus F is the focal length of the concave mirror. Thus, the focal length of a concave mirror can be estimated by obtaining a 'Real image' of a distant object at its focus, as shown in the figure.

Explanation:

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Answer 2

Answer:

Focal length of mirror :- Distance between pole and the focus of the mirror is called focal length