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J.J.Thompson determined the electron charge to mass ratio. His results, however, were off by almost a factor of two, although they were consistent, leading us to believe there was some systematic error in his measurements.

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13y ago
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11y ago

Wien measured the charge to mass ratio for positive rays.

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Q: Who determined the charge to mass ratio to the positive rays?
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Related questions

Why is the charge to mass ratio of proton not constant?

The charge and mass ratio of proton is constant, the positive particles found during discharge tube experiment are nuclei of atoms which have different charge and mass ratio.


Who discovered the charge to mass ratio for the electrons?

Millikan found the charge of an electron by his famous oil drop experiment. J J Thomson determined the specific charge of the electron. That means the ratio of the charge of an electron to its mass. With these two values one can find the mass of electron by dividing the charge value by its specific charge.


What is charge to mass ratio of neutron?

The neutron has no charge, therefore the charge to mass ratio for the neutron is zero.


How you can derive mass to charge ratio equation?

It is a simple ratio charge/mass or e/m .


In the electron charge to mass experiment if the electron is replaced by a proton or neutron would the charge to mass ratio value still be the same why or why not?

Compared to the (charge/mass) ratio of the electron:-- The (charge/mass) ratio of the proton is much smaller; although the proton charge is equal to the electron charge, the proton mass is much larger, by a factor of more than 1,800.-- The (charge/mass) ratio of the neutron is zero, because the neutron charge is zero.


What is an alternative method to measure the charge to mass ratio of an electron?

Modern Mass Spectrometry is the alternative method to measure the charge to mass ratio of an electron.


How does the mass to charge ratio of cathode rays compare to that of anode rays?

it varies because charge to mass ratio of positive rays depends upon gases used in the discharge tube.its varies from gas to gas.


Which physical property can be determined by finding the ratio of mass to volume?

mass and volume


Charge-mass ratio of a proton?

Mass of a Proton = 1.6726x10-27 kg Mass of a Neutron = 1.6749x10-27 kg The ratio is then: 0.99864


Why is the magnetic moment of a nucleus smaller than the magnetic moment of an electron?

Because the charge/mass ratio of a nucleus is smaller than the charge/mass ratio of an electron


What is mass and charge of a proton?

The charge of a proton is positive 1 and the mass is approximately 1 atomic mass unit


Does atomic mass has a positive change?

No. Atomic mass is a measure of mass, not charge.