CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 25  27 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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Choice (4)  Response  

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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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Choice (4)  Response  

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b. 


c. 


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