CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 25  28 of 463
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Question number: 25
» Quantum Mechanics » SpinStatistics Connection
Appeared in Year: 2013
Question
In a basis in which the z – component of the spin is diagonal, an electron is in a spin state,
The probability that a measurement of will yield the value and are, respectively,
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Question number: 26
» Classical Mechanics » Periodic Motion » Normal Modes
Appeared in Year: 2013
Question
The acceleration due to gravity g is determined by measuring the time period T and the length L of a simple pendulum. If the uncertainties in the measurements of T and L are and respectively, the fractional error in measuring is best approximated by, (June)
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Question number: 27
» Electromagnetic Theory » Gauge Invariance
Appeared in Year: 2013
Question
The components of a vector potential are given by,
Where k is a constant. The three component of the electric field are – (June)
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Question number: 28
» Thermodynamic and Statistical Physics » Laws of Thermodynamics
Appeared in Year: 2013
Question
Ten grams of ice at 0^{0} C is added to a beaker containing 30 grams of water at 25^{0} C. What is the final temperature of the system when it comes to thermal equilibrium?
(The specific heat of water is and latent heat of melting of ice is ) (June)
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