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NEET2008PhysicsDual Nature of MatterActual

In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result of

Options

  1. ACollision between different electrons of the atoms of the gas
  2. BExcitation of electrons in the atoms
  3. CCollision between the atoms of the gas
  4. DCollisions between the charged particles emitted from the cathode and the atoms of the gas

Correct answer

B. Excitation of electrons in the atoms

Step-by-step solution

Due to excitation of electrons in atoms.

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