In electron microscope, source of light is

White light

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Beam of electrons

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X - rays

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None of the above

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Solution

The correct option is B Beam of electrons
One way to enhance resolution in microscopy is to reduce the wavelength of incident light. Hence, in electron microscopy a beam of electrons is used as a source of light to illuminate the sample.

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Similar questions

Consider the following statements:

i) Microscopes have played huge role in discovery of cells

ii) Transmission electron microscope uses a beam of electrons instead a single beam of light

iii) Interference contrast microscope exploits differences in way light travels through regions of the cell with differing refractive indexes

Which of the above given statement(s) is/are false?

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