In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used.

Question 1

In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used. To resolve a width of 7.5 x 10-12m , the minimum electron energy required is close to:

(1) 500 keV

(2) 100 keV

(3) 1 keV

(4) 25 keV

Question 2

Correct option: (4) 25 keV

Explanation:

In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used.

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In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used.

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