CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 346 - 349 of 463

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Question number: 346

» Atomic & Molecular Physics » Relativistic Corrections for Energy Levels of Hydrogen Atom

Appeared in Year: 2011

MCQ▾

Question

The ratio of intensities of the and lines of sodium at high temperature – (December)

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Question number: 347

» Classical Mechanics » Special Theory of Relativity » Mass-Energy Equivalence

Appeared in Year: 2011

MCQ▾

Question

The minimum energy of an electron (the rest mass of which is 0.5 MeV) that can emit Cerenkov radiation while passing through water (of refractive index 1.5) is approximately – (December)

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Question number: 348

» Classical Mechanics » Symmetry

MCQ▾

Question

The character table of , the group of symmetries of an equilateral triangle is given below,

Table for character of C3v

In above table character table of C3v, the group of symmetries of an equilateral triangle is given.

In the above denotes the three classes of , containing 1,3 and 2 elements respectively, and are the characters of the three irreducible representations and of . The entries and in this table are, respectively –

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Question number: 349

» Atomic & Molecular Physics » Born-Oppenheimer Approximation

Appeared in Year: 2011

MCQ▾

Question

The difference in the Coulomb energy between the mirror nuclei and is . Assuming that the nuclei have a spherically symmetric charge distribution and that is approximately the radius of the nucleus is – (December)

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