Quantum Mechanics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 40 - 42 of 80

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Question number: 40

» Quantum Mechanics » Spin-Statistics Connection

Appeared in Year: 2013

MCQ▾

Question

Consider three particles A, B and C each with an attribute S that can take two values Equation Let Equation and Equation at a given instant. In the next instant, each S value can change to Equation with probability Equation . The probability that Equation remains unchanged is – (June – 2013)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 41

» Quantum Mechanics » Elementary Theory of Scattering » Phase Shifts

Appeared in Year: 2014

MCQ▾

Question

A double slit interference experiment uses a laser emitting light of two adjacent frequencies Equation and Equation . The minimum path difference between the interfering beams for which the interference pattern disappears is – (June -2014)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 42

» Quantum Mechanics » Elementary Theory of Scattering » Born Approximation

Appeared in Year: 2013

MCQ▾

Question

In the Born approximation, the scattering amplitude Equation for the Yukawa potential, Equation

Is given by, (in the following Equation ) (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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