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:

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 &#215; 10 - 12 &#160; m , the minimum electron energy required is close to:

Aicharya · Accepted Answer

&#955; = 150 V &#8658; 7.5 &#215; 10 - 2 = 150 V V = 150 7.5 &#215; 7.5 &#215; 10 - 4 = 80 3 k V V &#8776; 25 &#160; K e V

In an electron microscope, the resolution that can be achieved is of the order of the wavelength of…

Solution