Physics, asked by pranathi8515, 2 months ago

a long vertical pin placed at 40cm in front of a concave mirror use an image at the same portion.what is the focal length?​

Answers

Answered by devanshujeet
1

Since focal length of concave mirror given is 20cm l. Object is at 40cm distance which means it is at centre of curvature. hence, image will be formed of same size and at centre focus only but real and inverted

Answered by dudu94
1

Answer:

Since focal length of concave mirror given is 20cm l. Object is at 40cm distance which means it is at centre of curvature. hence, image will be formed of same size and at centre focus only but real and inverted.

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