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Arpan Mehta Grade:
        

Focal length of a convex lens is 20 cm which is placed at a distance of 30cm from the apparatus. Another lens of 10cm radius must be placed at how much distanceon another side to produce an image:



  1. 60cm

  2. 50cm

  3. 30cm

  4. 12cm


explain the answer

7 years ago

Answers : (1)

Pratham Ashish
17 Points
										

hi arpan ,


der is something missing in ur 2nd part of d queston as for 1st lens u will get a virtual image at 12 cm from d lens but u don't specify d full condition for d 2nd part.....plz check ur source once more...

7 years ago
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