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The maximum magnifying power of a convex lens of focal length 5 cm can be :

  1. 25
  2. 10
  3. 1
  4. 6

Refraction Lens

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Answer

6

Reason ā€” As we know,

m=1+Dfm = 1 + \dfrac{D}{f}

Given,

f = +5 cm

D is the distance of the distinct vision, D = 25 cm

Substituting the values in the formula we get,

m=1+255m=1+5m=6m = 1 + \dfrac{25}{5} \\[0.5em] m = 1 + 5 \\[0.5em] m = 6 \\[0.5em]

Hence, the maximum magnifying power of a convex lens of focal length 5 cm is 6.

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