Question

light from a distant planet is incident on a converging mirror. the image of the planet forms on a screen is 45cm from the pole of the mirror find the focal length of the mirror​

Answer 1

Given : light from a distant planet is incident on a converging mirror. the image of the planet forms on a screen is 45cm from the pole of the mirror.

To find : we know, when a parallel beam of lights strikes the surface of converging mirror, after reflection it cuts the principal axis at a point which is known as Focus and distance between focus to pole is focal length.

here light from a distant planet is incident on a converging.

means, light comes from infinite so, after reflection on the surface of mirror, it passes through the focus.

as the image of the planet forms on a screen is 45cm from the pole of the mirror. focal length of converging mirror = 45cm

Therefore focal length of converging mirror , f = - 45cm

also read similar questions : A concave mirror forms an image of 20cmhigh object on a screen placed 5.0m away from the mirror. The height of the image...

https://brainly.in/question/7739667

All the rays, after reflection, from a concave mirror, meet at a point in front of the mirror. Name this point.

In an ex...

https://brainly.in/question/15250546