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Q.

Choose whether the following statement is true or false.

The power of a convex lens is negative.

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a

True

b

False

answer is B.

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Detailed Solution

detailed_solution_thumbnail

The given statement is false.

  • A convex lens has a positive focal length therefore, its power is also positive.
  • On the other hand, the power of a concave lens is negative as it has a negative focal length.

Therefore the correct statement would be: The power of a convex lens is positive.

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