Physics, asked by rajbhutani53335, 1 year ago

If a mirror has a focal length of -15 cm , then it is a _____ mirror.

Answers

Answered by Anonymous

we know that concave mirror has negative focal length so it is a concave mirror

Answered by muscardinus

Answer:

Concave mirror

Explanation:

Given that, the focal length of the mirror is -15 cm. We know that there are two types of spherical mirror i.e. concave and convex mirrors. The focal length of concave mirror is negative.

The spherical mirrors are the part of a sphere. The focal length of a mirror is the distance from the pole of the mirror to the focus. Focal length is the half of the radius of curvature of the mirror.

So, If a mirror has a focal length of -15 cm , then it is a concave mirror.

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