The potential difference is 0.063 V.
The potential difference is defined as the work done in moving a charge of 1 coulomb from one point to another.
An electron microscope is a microscope that uses an accelerated beam of electrons.
The formula given by De Broglie for the wavelength is as follows:
λ is the wavelength.
λ = h / p
= h / mv
= h / √2×m×q×V
where h is planks constant
q is the charge
m is the mass
4.5 * 10⁻⁹ = 6.63 * 10⁻³⁴ / √(2×9.31×10⁻³¹×1.6×10⁻¹⁹×V)
On solving for V we get
V = 0.063 V
Hence, the potential difference is 0.063 V.
For more information on de Broglie wavelength click on the link below:
brainly.com/question/4851688
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