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प्रश्न
The de Broglie wavelength of an electron in the first Bohr’s orbit of hydrogen atom is equal to ______.
पर्याय
diameter of the first orbit.
circumference of the first orbit.
radius of the second orbit.
`"h"/(2\pi)`
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उत्तर
The de Broglie wavelength of an electron in the first Bohr’s orbit of hydrogen atom is equal to circumference of the first orbit.
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संबंधित प्रश्न
(i) State Bohr's quantization condition for defining stationary orbits. How does the de Broglie hypothesis explain the stationary orbits?
(ii) Find the relation between three wavelengths λ1, λ2 and λ3 from the energy-level diagram shown below.
If the photon of the wavelength 150 pm strikes an atom and one of its inner bound electrons is ejected out with a velocity of 1.5 × 107 ms–1, calculate the energy with which it is bound to the nucleus.
State any two Bohr’s postulates and write the energy value of the ground state of the hydrogen atom.
Draw energy level diagram for a hydrogen atom, showing the first four energy levels corresponding to n=1, 2, 3 and 4. Show transitions responsible for:
(i) Absorption spectrum of Lyman series.
(ii) The emission spectrum of the Balmer series.
The energy associated with the first orbit of He+ is ____________ J.
The radius of the third Bohr orbit for hydrogen atom is ____________.
The ratio of the ionization energy of H and Be+3 is ______.
A hydrogen atom in is ground state absorbs 10.2 eV of energy. The angular momentum of electron of the hydrogen atom will increase by the value of ______.
(Given, Planck's constant = 6.6 × 10-34 Js)
State three postulates of Bohr's theory of hydrogen atom.
Which from following is CORREСТ relationship between wavelength and momentum of electron?
