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In Balmer series of hydrogen atom spectrum which electronic transition causes third line:
(1) Fifth Bohr orbit to second one
(2) Fifth Bohr orbit to first one
(3) Fourth Bohr orbit to second one
(4) Fourth Bohr orbit to first one
Ans: Fifth Bohr orbit to second one
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The number of electrons which can be accommodated in an orbital is: (1) One (2) Two (3) Three (4) Four Ans: Two
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Which quantum number will determine the shape of the subshell: (1) Principal quantum number (2) Azimuthal quantum number (3) Magnetic quantum number (4)Spin quantum nu
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