(A) 8 eV
(B) 12 eV
(C) 4 eV
(D) 16 eV
Tag: Physics Mcqs
Ionization energy of Hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon of energy 12.1 eV. The No. of spectral lines emitted by hydrogen atoms according to Bohr’s theory will be:
(A) One
(B) Three
(C) Two
(D) Four
According to Bohr’s Atomic Model:
(A) An atom has heavy, negatively charged nucleus
(B) The electron radiate energy only when it jumps to inner orbit
(C) The electron can move only in particular orbit
(D) Both B & C
Which of the following series of the hydrogen atom possess photons of longest wavelength?
(A) Lyman
(B) Bracket
(C) Balmer
(D) Pfund
The ionization energy of hydrogen atom is 13.6 eV. The energy require to remove an electron from 2nd orbit is:
(A) 13.6 eV
(B) 9.5 eV
(C) 3.4 eV
(D) 1.5 eV
Which of the following transition in the hydrogen atom gives and emission of highest frequency?
(A) n = 2 to n = 1
(B) n = 4 to n = 3
(C) n = 3 to n = 2
(D) n = 5 to n = 2
The minimum wavelength for the Lyman series of the hydrogen atom is “X”, then the minimum wavelength for the Balmer series of the hydrogen atom is:
(A) X
(B) 2X
(C) 4X
(D) X / 2
The energy of the highest energy photon of the Balmer series of hydrogen spectrum is close to:
(A) 3.4 eV
(B) 1.5 eV
(C) 0.85 eV
(D) 13.6 eV