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Question

Compare two quantities — Quantity A and Quantity B — and then determine which of the following statements describes the comparison:
In a lens, if
u - distance of the object from the lens
v -  distance of the image from the lens

hi    - height of the image
h - height of the object


  1. Quantity B is greater.

  2. The two quantities are equal.

  3. Quantity A is greater

  4. The relationship cannot be determined from the information given.


Solution

The correct option is B

The two quantities are equal.


Lens magnification formula states that,

m = vu = hih 

therefore both the quantities A and B are equal.

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