a parallel beam of light is made to fall on a concave mirror and image is formed at a distance of 7.5 cm from the mirror what are the focal length and the radius of the curvature of the mirror
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A parallel beam of light falling on a concave mirror will converge at the focus of the mirror. Therefore, the distance of the image from the mirror is equal to the focal length of the mirror. So, the focal length of the mirror is 7.5 cm. Show more…
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