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Q. 1: (a) Write down de Broglie’s formula in terms of Kinetic Energy Ek of the...

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Physics

Q. 1: (a) Write down de Broglie’s formula in terms of KineticEnergy Ek of the particle involved.

(b) Calculate the electron’s and proton’s de Broglie wavelengthswhen each of them has kinetic energy 25x10-3eV.

(c) The de-Broglie wavelength of electron-beam used in theelectron-microscope is 40 pico-meters. The electron-beam isaccelerated from rest using potential difference Va, determine theapplied voltage.

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4.1 Ratings (520 Votes)
1 aDeBroglie wavelength hmv hp where m is the mass and vis the velocityThe momentum p and kinetic energy E of a particle can be relatedas p de    See Answer
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