Physics Crossword

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Across
  1. 4. De-Broglie equation states
  2. 7. Number of electrons in the valence shell of a semiconductor
  3. 8. Rutherford is the unit of
  4. 9. Earth’s magnetism was discovered by
  5. 13. Name the physical quantity whose S.I. unit is JC-1
  6. 14. SI unit of electric potential energy
  7. 15. Radio waves from an antenna travel with the velocity of.
Down
  1. 1. State the underlying principle of a transformer.
  2. 2. The current which is used in choke as resistance.
  3. 3. Natural radioactivity was discovered by
  4. 5. Who first demonstrated the existence of electromagnetic waves
  5. 6. Light Year is the unit of
  6. 10. The most suitable alloy for making permanent magnet
  7. 11. Emf is measured in
  8. 12. The current which is blocked by the capacitor.