Which of the following is wrong?
1) Cathode rays have constant e/m ratio
2) e/m ratio of anode rays is not constant
3) e/m ratio of proton is not constant
4) e/m ratio of ß particle is constant
Answers
Answer:
Option 3 is wrong because we know that charge as well as mass on proton is fixed whereas in case of anode rays e/m ratio is not constant because we know that anode rays are produced as a result of knock out of electrons from atom, sometime one electron is ejected or sometimes two therefore different charge on each atom that is different e/m ratio(in case of anode rays)
Explanation:
Answer:
The e/m ratio of proton is not constant is wrong.
Explanation:
The e/m ratio for positive ions is not constant but varies from one gas to another. In case of electrons, the same value for e/m is obtained no matter what gas is introduced because it depends colony on the electrons. The positive ions are formed from the gas in the tube and the gas can have any charge +1/+2. they have same charge. Ther mass can be different. Therefore they have different em ratio.The value of e/m for isolated protons is constant. When you get nucleons of different sizes, the amount of binding energy changes in ways which require quantum mechanics to explain.
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