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प्रश्न
State de Broglie hypothesis
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उत्तर
According to de Broglie, a moving material particle acts as a wave and sometimes wave is associated with moving material particle which controls the particle in every respect.
`lambda = h/p`
where p = Momentum of the particle
h = Planck constant
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संबंधित प्रश्न
A proton and an α-particle have the same de-Broglie wavelength. Determine the ratio of their accelerating potentials
Calculate the de-Broglie wavelength of an electron moving with one-fifth of the speed of light.Neglect relativistic effects. (`h = 6.63 xx 10^(-34)` J.s, c= `3xx10^8`m/s, mass of electron = `9 xx 10^(-31) kg)`
An electron is accelerated from rest through a potential V. Obtain the expression for the de-Broglie wavelength associated with it ?
A proton and an electron have same velocity. Which one has greater de-Broglie wavelength and why?
Show on a graph the variation of the de Broglie wavelength (λ) associated with an electron, with the square root of accelerating potential (V) ?
Light of wavelength 2000 Å falls on a metal surface of work function 4.2 eV.
If the same light falls on another surface of work function 6.5 eV, what will be the energy of emitted electrons?
A litre of an ideal gas at 27°C is heated at constant pressure to 297°C. The approximate final volume of the gas is?
If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie wavelength of the particle is:
When the displacement of a particle executing simple harmonic motion is half of its amplitude, the ratio of its kinetic energy to potential energy is:
The de- Broglie wave length of an electron moving with a speed of 6.6 × 105 m/s is approximately
