Q31 of 223 Page 199

An object is 24 cm away from a concave mirror and its image is 16 cm from the mirror. Find the focus and radius of curvature of the mirror.

u=-24cm

v=-16cm


R=?, m=?


we know that



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31

An object is placed just outside the principal focus of concave mirror. Draw a ray diagram to show how the image is formed, and describe its size, position and nature.

 31

If the object is moved further away from the mirror, what changes are there in the position and size of the image ?

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Linear magnification produced by a concave mirror may be :

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Magnification produced by a convex mirror is always :