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Explain Why A Discharge Tube Appears Dark, When Evacuated To Very Low Pressure ? |
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Answer» No discharge passes through the discharge tube as there is no carrier of charge due to very low DENSITY at that pressure no collision take place HENCE no light is emitted. As a RESULT, the discharge tube APPEARS DARK. No discharge passes through the discharge tube as there is no carrier of charge due to very low density at that pressure no collision take place hence no light is emitted. As a result, the discharge tube appears dark. |
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