Question

In Bainbridge mass spectrograph,
velocity selector is a device in which *

a) Electric and magnetic fields are
applied
b) Only electric field is applied
c) only magnetic field is applied
Vod) No field is applied​

Answer 1

Answer:

Explanation:-

A velocity selector was used to produce a monovelocity ion beam and a transverse magnetic field was employed to discriminate between ions of different masses. Ionization chamber is used to ionize the gas whose mass or isotope is to be determined and positive ions are produced. Electric and magnetic field are applied in it.

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Answer 2

Bainbridge Mass Spectrograph

Explanation:

• Now, if we talk about the Bainbridge mass spectrograph it is simply just an instrument, scientists used to determine the atomic masses accurately.
• Also, in addition, it works on the principle that when a fine beam of positive ions produced in the discharge tube passed through the velocity selector, where the ions of a particular velocity come out due to the combined action of electric as well the magnetic field.
• Thus, from the given options, option(a) is correct.