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Debanjana Adhikari posted an Question
July 10, 2020 • 13:28 pm 30 points
  • CSIR NET
  • Physical Sciences

3. a sphere g of radius b is fixed mid-air and several spheres identical to the first one are shot at it with their velocities parallel to each other. if the sh

3. A sphere G of radius b is fixed mid-air and several spheres identical to the first one are shot at it with their velocities parallel to each other. If the shot spheres fall within an imaginary cylinder of radius a (b«a) then the fraction of spheres that will hit G is (a) 2b/a (b) 4b2 /a2 (c) a-b a+b (d) 8b3/a3

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