The ratio of cathode rays is unit, when hydrogen is filled in the discharge tube. What will be its v — Atomic Structure Chemistry Question
Question
The $e/m$ ratio of cathode rays is $x$ unit, when hydrogen is filled in the discharge tube. What will be its value, when deuterium ($D_2$) is filled in it?
Answer: A
💡 Solution & Explanation
Cathode rays are a stream of electrons. The specific charge ($e/m$ ratio) of an electron is a universal constant and is independent of the nature of the gas present in the discharge tube. Therefore, correct answer is A.
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