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  1. The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
  2. Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes
  3. A charged particle of mass m and charge q moves along a circular path of radius
  4. A solid sphere of mass M, radius R and having moment of inertia about an axis passing
  5. If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is