Question

एक समतल दर्पण की फोकस दूरी कितनी होती है ?

Answer 1

Focal length of plane mirror is infinite

Explanation:

Focal length of plane mirror is infinite

We know that focal length of mirror is half of the radius of curvature as the radius of curvature of plane mirror is infinite

So the radius of curvature of plane mirror is also infinite.

There is a property of plane mirror that for full image from plane mirror we need the length of mirror half of the length of object

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https://brainly.in/question/9971339

Answer 2

Answer:

samtal darpan ki focus duri