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Related Questions

  1. If the minimum energy of photons needed to produce photoelectrons is 3 eV,
  2. A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
  3. Which of the following transitions in hydrogen atoms emit photons of highest frequency?
  4. A vertical spring with force constant k is fixed on a table. A ball of mass
  5. If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is