vanthaloveu9984 vanthaloveu9984
  • 26-04-2024
  • Physics
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If 5 identical convex lenses are kept close to each other so that the equivalent power of the system is 25 D, then find the focal length of each lens:
a) 5 cm
b) 10 cm
c) 15 cm
d) 20 cm

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