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प्रश्न
According to Bohr's second postulate, the angular momentum of the electron is the integral multiple of `h/(2pi)`. The S.I unit of Plank constant h is the same as ______
विकल्प
Linear momentum
angular momentum
Energy
Centripetal force
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उत्तर
According to Bohr's second postulate, the angular momentum of the electron is the integral multiple of `h/(2pi)`. The S.I unit of Plank constant h is the same as angular momentum.
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संबंधित प्रश्न
Linear momentum of an electron in Bohr orbit of H-atom (principal quantum number n) is proportional to ______.
Answer in brief.
State the postulates of Bohr’s atomic model.
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The speed of electron having de Broglie wavelength of 10 -10 m is ______
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Starting with 𝑟 = `(ε_0h^2n^2)/(pimZe^2),` Show that the speed of an electron in nth orbit varies inversely to principal quantum number.
Calculate the longest wavelength in the Paschen series.
(Given RH =1.097 ×107 m-1)
Using the expression for the radius of orbit for the Hydrogen atom, show that the linear speed varies inversely to the principal quantum number n the angular speed varies inversely to the cube of principal quantum number n.
Which of the following series of transitions in the spectrum of hydrogen atom falls in ultraviolet region?
The ratio of speed of an electron in the ground state in the Bohr's first orbit of hydrogen atom to velocity of light (c) is ____________.
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For which one of the following, Bohr model is not valid?
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For an electron, discrete energy levels are characterised by ____________.
If m is mass of electron, v its velocity, r the radius of stationary circular orbit around a nucleus with charge Ze, then from Bohr's second postulate, the kinetic energy `"K.E." = 1/2"mv"^2` of the electron in C.G.S. system is 2 equal to ____________.
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The momentum of an electron revolving in nth orbit is given by ______.
Let Ee and Ep represent the kinetic energy of electron and photon, respectively. If the de-Broglie wavelength λp of a photon is twice the de-Broglie wavelength λe of an electron, then `E_p/E_e` is ______.
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What is the origin of spectral lines? Obtain an expression for the wave number of a line in hydrogen spectrum.
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Compute the shortest and the longest wavelength in the Lyman series of hydrogen atom.
Find the ratio of radius of 1st Bohr orbit to that of 4th Bohr orbit.
