Who invented mass spectrometers? Options: A . &nbspJ.J Thompson B . &nbspGoldstein C . &nbspNikola Tesla D . &nbspAston

Who invented mass spectrometers?

Question

Who invented mass spectrometers?

Options:

A . J.J Thompson

B . Goldstein

C . Nikola Tesla

D . Aston

Answer: Option A
Answer: (a).J.J Thompson

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Question 1. Mass spectrometer separates ions on the basis of which of the following?....

Question 2. The alternating voltage rf voltage is applied to which of the following?....

Question 3. Which of the following is placed just before the detector in a radiofrequency mass spectrometer?....

Question 4. Which of the following statements about mass spectrometers are not true?....

Question 5. Which of the following is applied in one or more stages where each stage is a series of three equally spaced parallel gr....stage is a series of three equally spaced parallel grids?

Question 6. The rf spectrometer contains a magnet.....

Question 7. The DC ion accelerating voltage is swept from _________....

Question 8. The resolution of the Bennet tube can be improved by using which of the following?....

Question 9. In Bennet spectrometer, the rf voltage has a fixed frequency.....

Question 10. Which of the following is the disadvantage of using three stage tubes?....

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