X-ray Detector Components
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Questions and Answers

What happens when the resonance condition is met by paramagnetic species in the presence of microwaves?

Absorbs energy

How is an ESR spectrum obtained?

By plotting intensity against the strength of magnetic field

What does the area covered by the absorption or derivative curve in an ESR spectrum indicate?

Number of unpaired electrons in the sample

What is the most widely used standard sample in ESR spectroscopy for comparison of unpaired electrons?

<p>1,1-diphenyl-picrylhydrazyl (DPPH) free radical</p> Signup and view all the answers

What type of spectroscopy is used to obtain an ESR spectrum?

<p>Electron Spin Resonance (ESR) spectroscopy</p> Signup and view all the answers

What is detected and recorded by an ESR instrument?

<p>The decrease in microwave power</p> Signup and view all the answers

In Raman effect, what is the scattering called if the frequency of the scattered light is the same as the incident light?

<p>Rayleigh scattering</p> Signup and view all the answers

What happens when a sample is exposed to monochromatic light in the visible region in Raman spectroscopy?

<p>Absorbs light and scatters light in all directions</p> Signup and view all the answers

How is the number of unpaired electrons in a sample calculated in ESR spectroscopy?

<p>By comparison with a standard sample with known unpaired electrons</p> Signup and view all the answers

What is the purpose of Fourier Transform Infrared (FTIR) spectroscopy?

<p>To analyze the vibrational modes of molecules</p> Signup and view all the answers

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