JEE Main 10 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 24 of 90

Marks: +1, -0

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 :

[10 Jan 2019 Shift 1]

100 keV
500 keV
25 keV
1 keV

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