A concave mirror forms an image of 20 cm high object on a screen placed 5.0 m away from the mirror.

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asked Mar 29, 2018 in Physics by Nisa (2,540 points) 1 3

A concave mirror forms an image of 20 cm high object on a screen placed 5.0 m away from the mirror. The height of the image is 50 cm. Find the focal length of the mirror and the distance between the mirror and the object.

1 Answer

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answered Mar 29, 2018 by rubby (7,550 points) 1 3 5
selected Apr 1, 2018 by Vikash Kumar
 
Best answer

So, the focal length is 1.44 m.

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