CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 225  228 of 463
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Question number: 225
» Classical Mechanics » Dynamical System
Appeared in Year: 2014
Question
A canonical transformation relates the old coordinates to the new ones by the relations and . The corresponding time – independent generating function is – (June – 2014)
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Question number: 226
» Classical Mechanics » Conservation Laws and Cyclic Coordinates
Appeared in Year: 2013
Question
A particle of mass m is at the stable equilibrium position of its potential energy, ; where are positive constants. The minimum velocity that has to be imparted to the particle to render its motion unstable is – (June)
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Question number: 227
» Quantum Mechanics » SpinStatistics Connection
Appeared in Year: 2013
Question
A spin particle A undergoes the decay,
where it is know that B and C are also spin particles. The complete set of allowed values of the spin of the particle D is – (June)
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Question number: 228
» Atomic & Molecular Physics » Diatomic Molecules » Vibrational
Appeared in Year: 2013
Question
The phonon dispersion for the following one – dimensional diatomic lattice with masses and (as shown in figure)
is given by,
where is the lattice parameter and K is the spring constant. The velocity of sound is – (June)
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