Q. In ion spectroscopy, the positive ions are focussed on the sample at which of the following angles?

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Q. Only those electrons which are in a selected small solid angle are received in the ________ electrostatic analyser.

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Q. Which of the following can be used as the detector in ion spectroscopy?

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Q. In order to obtain ISS spectra, the backscattered primary ions are sampled by which of the following?

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Q. Which of the following is the energy after collision with a surface atom for a scattering angle of 90° when E₀ is the energy of the incident ion, M₁ is the mass of the incident ion and M₂ is the mass of the target surface?

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Q. It is advantageous to use ions from a variety of gases.

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Q. Which of the following gases is not often used in ion spectroscopy?

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Q. ISS is sensitive to every element heavier than which of the following?

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Q. Which of the following is the lightest isotope used as a primary ion?

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Q. The specificity will vary depending on the scattering gas used.

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Q. ISS is less sensitive than which of the following?

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Q. Which of the following is the detection limit of ISS for monolayer?

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Q. After passing through the pre-filter, ions are passed through which of the following?

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Q. Which of the following is the range of quadrupole mass spectrometer used in SIMS?

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Q. Which of the following is the resolution of quadrupole mass spectrometer used in SIMS?

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Q. Electron spin resonance involves detecting the detection of a physical phenomenon of _________ of electromagnetic radiation.

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Q. Electron spin resonance is also known as which of the following?

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Q. The value of the magnetic moment is known as which of the following?

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Q. When a strong magnetic field is applied to the unpaired spins of an electron, the electrons will be split into two groups.

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Q. When the electrons are aligned either parallel or antiparallel to the direction of the external magnetic field, the electrons will precess about the axis at a frequency that is proportional to which of the following?

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