Different gases in the discharge tube produce different colours under suitable conditions of pressure and voltage. Explain.
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In order to return to the ground state, electrons release excess energy in the form of light. The light is differently colored in each tube because of the different wavelengths of light that must be released in each instance.
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6.5 Gas Discharge Tubes.
Gas Color
3. Neon Red
4. Argon Violet
5. Krypton Lavender
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