For cathode rays the value of e/m:...

For cathode rays the value of e/m:

A

Is independent of the nature of the cathod and the gas filled in the discharge tube

B

Is constant

C

Is – `1.7588 × 10^8` coulombs/g

D

All of the above are correct

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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