Calculate the separation of the particles and the binding energy of a positronium (an atom consisting of an electron and a position revolving around their centre of mass).
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Two charges particles each having equal charges `2 xx 10^(-5) C` are brought from infinity to within a separation of 10 cm. Calculate the increase in
`DeltaU=U_(f)-U_(i)-0=U_(r)` We have to simply calculate the electrostatic potential energy of the given system of charges `:. DeltaU=U_(f)=1/(4pi epsi_(0)) (q_(1)q_(2))/r=(9xx10^(9)xx2xx10^(-5) xx2xx10^(-5)xx100)/(10) J=36 J` `:.` Work required `=36 J =` equal...
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A system of positron `(+1^(e^(0)))` and electron `(–1^(e^(0)))` is called Positronium atom. The radii of Positronium atom is expanded but energy level
Correct Answer - (a) `2` , (b) yes
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In an electron capture process, a nucleus captures an electron from K shell of the atom. The electron is having a binding energy of `B_(0)`. Followed
Correct Answer - `B_(0)`
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Assume that structure of hydrogen atom is gov- erned by classical mechanics. An electron is circulating around a proton and it is radiating energy at
Correct Answer - (a) `(8pi)/(3)((v)/(c))^(3)` , (b) No, Yes
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Calculate the electric potential energy of an electron-proton system of an atom . The radius of the orbit of the electron is `21.16xx10^(-11)`m the ch
Correct Answer - `-1.088xx10^(-18)J`
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By giving energy to a hydrogen atom in energy state n=1. If the potential energy of the atom in n=1 state be `-13.6 eV`, calculate (a) potential enreg
Correct Answer - `-0.85 eV, 12.75 eV, 971 Å`
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A photon of energy 12.09 eV is absorbed by an electron in ground state of a hydrogen atoms. What will be the energy level of electron ? The energy of
Correct Answer - n=3
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Calculate the frequency of revolution of an electron in the first orbit of an aluminum atom. Given that mass of electron `=9x10^(-31) kg, e= 1.6 xx10^
Correct Answer - `3.25xx10^(18) rev.//sec`
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Calculate the binding energy of the lithium atom `(._(3)^(7)Li)` from the following data: `{:("mass of proton",= 1.00759,am u,),("mass of neutron",= 1
Correct Answer - 39.3 MeV
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The binding energy of a satellite revolving around planet in a circular orbit is 3 × 10^9 J. Its kinetic energy is ______
Correct answer is (D) 3 × 10+9 J
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