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Chapter 20 - Atomic Spectra - 8
1.
Molecular spectra are the examples of line spectra.
a) False
b) True
2.
The hydrogen spectrum observed by the Balmer is in the infrared region.
a) True
b) False
3.
The empirical results obtained by Rhdberg was explained by Neil Bohr.
a) False
b) True
4.
An electron bound to the nucleus in an atom can move around nucleus in certain circular orbits without radiating any energy.
a) True
b) False
5.
Those stationary orbits are allowed for which orbital angular momentum is equal to an integral multiple of 2h/
p
.
a) False
b) True
6.
When an electron jumps from higher to lower energy state it absorbs energy.
a) False
b) True
7.
The ionization energy of hydrogen atom is –13.6ev.
a) True
b) False
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