Assertion : Cathode rays are produced only when the pressure of the gas inside the…
Chemistry · JEE Advanced · NTA Exams — Atomic Structure
Assertion : Cathode rays are produced only when the pressure of the gas inside the discharge tube is very low.
Reason : At high pressure, no electric current flows through the tube as gases are poor conductor of electricity.
Reason : At high pressure, no electric current flows through the tube as gases are poor conductor of electricity.
- If both assertion and reason are correct and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If assertion is true but reason is false.
- If assertion is false but reason is true.
Answer
(A) If both assertion and reason are correct and reason is the correct explanation of assertion.
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