Advertisements
Advertisements
प्रश्न
What is the velocity of an electron in the 3rd orbit of hydrogen atom if its velocity in the 1st orbit is v0?
Advertisements
उत्तर
`v α 1/n`
`v_1/v_3 = n_3/n_1`
`V_0/v_3 = 3/1 (Here v_1 = V_0)`
`v_3 = V_0/3`
The velocity of an electron in the 3rd orbit of a hydrogen atom is `1/3` of the velocity of an electron in the 1st orbit.
APPEARS IN
संबंधित प्रश्न
If the velocity of the electron in Bohr’s first orbit is 2.19 × 106 ms-1, calculate the de Broglie wavelength associated with it.
When a photon is emitted by a hydrogen atom, the photon carries a momentum with it. (a) Calculate the momentum carries by the photon when a hydrogen atom emits light of wavelength 656.3 nm. (b) With what speed does the atom recoil during this transition? Take the mass of the hydrogen atom = 1.67 × 10−27 kg. (c) Find the kinetic energy of recoil of the atom.
Calculate angular momentum of an electron in the third Bohr orbit of a hydrogen atom.
When the electron orbiting in hydrogen atom in its ground state moves to the third excited state, show how the de Broglie wavelength associated with it would be affected.
According to Bohr's theory, an electron can move only in those orbits for which its angular momentum is integral multiple of ____________.
The radius of the third Bohr orbit for hydrogen atom is ____________.
The ratio of the ionization energy of H and Be+3 is ______.
The wavelength in Å of the photon that is emitted when an electron in Bohr orbit with n = 2 returns to orbit with n = 1 in H atom is ______ Å. The ionisation potential of the ground state of the H-atom is 2.17 × 10−11 erg.
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)
Using Bohr’s Theory of hydrogen atom, obtain an expression for the velocity of an electron in the nth orbit of an atom.
