Question

6.
A convex lens has a focal length of 0.5 m. It has to be combined with a second lens, so that the combination
has a power of 1.5 dioptre. Which of the following could be the second lens?​

Answer 1

Answer:

Concave Lens of power -0.5 dioptre

Answer 2

$- 0.5 \: diopter$

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