Tag: cathode rays

  • Physics class tests, XII/ICSE/CBSE

    3. Why Ka and Kb lines are produced (chose only one appropriate answer) A. electronic transitions B. Atomic collisions C. Radioactive decay D. Nuclear transmutation 4. Exactly why there is quantization of physical variables such as momentum, angular momentum, energy, orbital distance and speed? A. wave-particle duality B. Interference of waves C. Particle acceleration to…