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A convex lens of focal length 20cm is placed in front of convex mirror of radius of curvature 15cm

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>>A convex lens of focal length 20 cm is p

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A convex lens of focal length 20 cm is placed coaxially with a convex mirror of radius of curvature 20 cm. The two are kept at 15 cm apart from each other. A point object lies 60 cm in front of the convex lens. Draw a ray diagram to show the formation of the image by the combination. Determine the nature and position of the image formed.

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Solution

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Lens formula for convex lens,

v

1

−

u

1

=

f

1

v

1

−

−60

1

=

20

1

v=30 cm