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Davisson-Germer Experiment

Which phenome...

Question

Which phenomenon best supports the theory that matter has a wave nature?

A

Electron momentum

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B

Electron diffraction

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C

Photon momentum

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D

Photo diffraction

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Solution

The correct option is A Electron diffraction
Wave nature of matter of de Broglie was proved when accelerated electrons showed diffraction by metal foil in the same manner as X-ray diffraction.

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Q. Which of the following phenomena support the wave theory of light?

(a)	Scattering
(b)	Interference
(c)	Diffraction
(d)	Velocity of light in a denser medium is less than the velocity of light in the rarer medium.

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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.

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

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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

X

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

Planck's constant has same dimension as that of:

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