CSIR Physical Sciences: Questions 72 - 75 of 401

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Question number: 72

» Classical Mechanics » Periodic Motion » Small Oscillations

Appeared in Year: 2011

MCQ▾

Question

A point particle of mass Equation carrying an electric charge Equation is attached to a spring of stiffness constant Equation . A constant electric field E along the direction of the spring is switched on for a time interval T Equation . Neglecting radiation loss, the amplitude of oscillation after the field is switched off is: (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 73

» Mathematical Methods of Physics » Vector Algebra and Vector Calculus

Appeared in Year: 2012

MCQ▾

Question

A vector perpendicular to any vector that lies on the plane defined by Equation , is (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 74

» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions

Appeared in Year: 2012

MCQ▾

Question

The radioactive decay of a certain material satisfied Poisson statistics with a mean rate of Equation per second, what should be the minimum duration of counting (in seconds) so that relative error is less than 1%? (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 75

» Mathematical Methods of Physics » Elements of Complex Analysis

Appeared in Year: 2012

MCQ▾

Question

Let Equation be the real part of an analytic function Equation of the complex variable Equation , the imaginary part of Equation is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

y

d.

Equation

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