Teaching UP TGT Mock Test Series 2025 General Science Physics Optics

A convex lens of focal length 30 cm is placed in contact with a concave lens of focal length 60 cm. If an object is placed at a distance of 40 cm from this combination, what is the position of the image formed?

1

120 cm

2

-120 cm

3

80 cm

4

-40 cm

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