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Introduction to Atomic Structure

Why does the ...

Question

Why does the e/me ratio remain constant for cathode rays but depends upon gases for anode rays ??

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Solution

As cathode rays consists of only one type of particles whatever the gas taken in discharge tube while anode rays consists of positively charged particles of different masses and charges, depending on the nature of gas.

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Q. Why do cathode rays do not depend upon the material of cathode and anode or the type of gas taken in the discharge tube while the canal rays depend?

Q. All the gases form cathode rays and anode rays when electricity is passed through them.
(a) What does the formation of cathode rays tell us about the atoms?
(b) What does the formation of anode rays tell us about the atoms?

Q. The charge to mass ratio for the particles of the cathode rays obtained from different gases was found to be the same while the charge to mass ratio for the particle. Of the anode ray obtained from different gases was found to be different.why?

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