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Subatomic Particles

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Find the energy of H Atom in first excitation state. The value of premitivity factor 4pi epsilon Not Is given as 1.11264 10-10 C 2 N-1 m-2

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Q. Find out the energy of

H

-atom in first excitation state. The value of permittivity factor

4 π ε_{0} = 1.11264 \times 10^{- 10} C^{2} N^{- 1} m^{- 2}

.

Q. The ionisation energy of H - atom is 1.312 x

10^{6} ∥ m o l

. calculate the energy require to excite an e - in an H - atom from the ground state to the 1st excited state?

(M^{22}) N_{A} = 6.02 \times 1023

Q. What is the energy required to move the electron from the ground state of H atom to the first excited state? Given that the ground state energy of H atom is 13.6 eV and that the energy E

_{n}

of an electron in n

^{t h}

orbital of an atom or ion of atomic number Z is, given by the equation

E_{n} = (13.6 Z^{2} / n^{2})

Q. The energy of an electron in first Bohr orbit of H - atom is -13.6 eV. The energy value of electron in the excited state of

L i^{2 +}

Q. Energy of an electron is given by,

E = - 2.178 \times 10^{- 18} (\frac{Z^{2}}{n^{2}}) J

. Wavelength of light required to excite an electron in hydrogen atom from level

n = 1

n = 2

(h = 6.62 \times 10^{- 34} J s a n d c = 3 \times 10^{8} m s^{- 1})

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