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Assertion:The...

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Assertion:The de Broglie equation has significance for any microscopic or sub -microscopic particles. Reason:The de Broglie wavelength is inversely proportional to the mass of the object if velocity s constant.

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Q. Assertion :The de Broglie equation has significance for any microscopic or sub-microscopic particles. Reason: The de Broglie wavelength is inversely proportional to the mass of the object if velocity is constant.

Q. Assertion :De Broglie equation has significance for any microscopic or submicroscopic particles. Reason: De Broglie wavelength is inversely proportional to the mass of the object.

Q. Assertion :The de-Broglie wavelength equation has significant for any microscopic and submicroscopic particles. Reason: de-Broglie wavelength is inversely proportional tot he mass of the object, if its velocity is constant.

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:

Q. A microscopic particle of mass

10^{- 12}

kg is moving with a velocity of

10^{2}

m/s. Then the de-Broglie wavelength associated with the particle is

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