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MHT CET 2023 (11 May, Shift 1) · Spherical Surfaces & Thin Lenses

Spherical Surfaces & Thin Lenses question from MHT CET 2023 (11 May, Shift 1)

Q52MHT CET 2023 · 11 MAY · SHIFT 1Easy

Spherical Surfaces & Thin Lenses

The size of the real image produced by a convex lens of focal length FF is 'mm' times the size of the object. The image distance from the lens is

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Answer: (c)

  1. Real image: u=−vmu = -\frac{v}{m}.
  2. 1v−1u=1F⇒1+mv=1F\frac{1}{v} - \frac{1}{u} = \frac{1}{F} \Rightarrow \frac{1 + m}{v} = \frac{1}{F}
  3. v=F(m+1)v = F(m + 1)
  4. So the answer is (c) F(m+1)F(m+1).
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