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alekssr [168]
3 years ago
12

You want to build a search light. The search light is to have an outgoing parallel beam. You have a small, very bright light (a

point light source) and a concave mirror with radius of curvature 2m. How far from the mirror should the point light source be placed so the mirror produces an outgoing parallel beam
Physics
1 answer:
andrew11 [14]3 years ago
3 0

Answer:

1 m                              

Explanation:

Given

The mirror is a concave mirror.

Radius of curvature = 2 m

Now, for a parallel beam after reflection  occurs, the object should be placed at the focus of the mirror.

We know, focal length = radius of curvature / 2

                                      = 2 / 2

                                      = 1

Thus the focal length is 1 m.

Hence the object should be placed at 1 m from the concave mirror for parallel beam reflection.

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Answer:

The options are not provided, so i will answer in a general way.

We know that:

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Hope this helps answer your question and have a nice day ahead.
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