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  1. The effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
  2. A lens having focal length f and aperture of diameter d forms an image of intensity I
  3. The term liquid crystal refers to a state that is intermediate between
  4. The surface tension of a liquid is 5 newton per metre. If a film
  5. The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,