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Easy

Question

Figure given below shows a beam of light converging at point P. When a convex lens of focal length 16 cm is introduced in the path of the beam at a place O shown by dotted line such that OP becomes the axis of the lens, the beam converges at a distance x from the lens. The value x will be equal to

  1. 12 cm    
  2. 24 cm    
  3. 36 cm    
  4. 48 cm    

The correct answer is: 48 cm

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