consider a spherical mirror and a thin spherical lens each having focal length of -15cm. then,what are mirror and lens likely to be.
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concave mirror and concave lens has negative focal length
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The spherical mirror and a thin spherical lens is negative.
Explanation:
Given that,
Focal length of both spherical mirror and a thin spherical lens, f = -15 m
Negative sign difference between focal length of concave and convex lens and mirrors.
In this case, the focal length is negative. It shows that the spherical mirror and a thin spherical lens is negative.
Learn more,
Focal length
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