The diagram below shows an image formed at a distance 36 cm from the lens LL' of focal length 12 cm. With respect to this answer the questions that follow.
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The lens LL of focal is the between to
from the lens,
Explanation:
1.The position of the object on the left hand side should be in the between from the lens.
2.power of this lens is
3.The object distance with sign convention is .
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