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Thomson's Discovery of Electrons

G.P. Thomson ...

Question

G.P. Thomson experimentally confirmed the existence of matter waves by the phenomena:

A

diffraction

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B

refraction

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C

polarization

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D

scattering

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Solution

The correct option is A diffraction
G.P. Thomson experimentally confirmed the existence of matter waves (de Broglie's hypothesis) by demonstrating that electron beams are diffracted when they are scattered by the regular atomic rays of crystals.

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Dual nature of matter was proposed by de Broglie in 1923, it was experimentally verified by Davisson and Germer by diffraction experiment. Wave character of matter has significance only for microscopic particles. de Broglie wavelength or wavelength of matter wave can be calculated using the following relation:

λ = \frac{h}{m v}

m

v

' are the mass and velocity of the particle. de Broglie hypothesis suggested that electron waves were being diffracted by the target, much as

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-rays are diffracted by planes of atoms in the crystals.

Wave nature of electrons is shown by:

Dual nature of matter was proposed by de Broglie in 1923, it was experimentally verified by Davisson and Germer by diffraction experiment. Wave character of matter has significance only for microscopic particles. de Broglie wavelength or wavelength of matter wave can be calculated using the following relation:

λ = \frac{h}{m v}

m

v

' are the mass and velocity of the particle. de Broglie hypothesis suggested that electron waves were being diffracted by the target, much as

X

-rays are diffracted by planes of atoms in the crystals.

De-Broglie equation is obtained by combination of which of the following theories?

Q. Who firstly demonstrated experimentally the existence of electromagnetic wave?

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