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Davisson-Germer Experiment

The idea of m...

Question

The idea of matter waves was given by

A

Davisson and Germer

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B

de-Broglie

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C

Einstein

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D

Planck

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Solution

The correct option is C de-Broglie
Louis de Broglie proposed hypothesis that electrons and other particles of matter can behave like waves. Today, this idea is known as de Broglie's hypothesis of matter waves.

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Q. In Davisson-Germer experiment, the wavelength of matter waves was found to be 0.165 nm. true=1, false = 0

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}

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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:

The idea of secondary wavelets for the propagation of a wave was first given 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. The Davisson-Germer experiment that first demonstrated the wave nature of matter used electrons accelerated to 54 V. Determine the wavelength

(in A^{\circ})

of the electrons in the Davisson-Germer experiment. (Answer upto 2 decimal places)

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