Question

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 × 10⁻¹² m, the minimum electron energy required is close to:
(A) 500 keV (B) 100 keV
(C) 1 keV (D) 25 keV

Answer 1

Answer:

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 × 10 to the power -12m, the minimum electron energy required is close to 500KeV.

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