CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 253 - 255 of 463

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Question number: 253

» Classical Mechanics » Lagrangian and Hamiltonian Formalism and Equations of Motion

Appeared in Year: 2012

MCQ▾

Question

The Hamiltonian of a simple pendulum consisting of a mass attached to a massless string of length is . If L denotes the Lagrangian, the value of is – (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 254

» Mathematical Methods of Physics » Matrices

Appeared in Year: 2012

MCQ▾

Question

Given a unitary matrix satisfying with , one can construct a unitary matrix with from it by, (December)

Choices

Choice (4) Response

a.

Multiplying by

b.

Multiplying by

c.

Multiplying any single element of by

d.

Multiplying any row or column of by

Question number: 255

» Quantum Mechanics » Elementary Theory of Scattering » Born Approximation

Appeared in Year: 2014

MCQ▾

Question

The scattering amplitude for the potential ; where and are positive constants, is given, in the Born approximation, by (in the following and ) – (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

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