Classical Mechanics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 13 - 16 of 69

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Question number: 13

» 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 constantEquation . A constant electric field E along the direction of the spring is switched on for a time interval TEquation . 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: 14

» Classical Mechanics » Dynamical System

Appeared in Year: 2011

MCQ▾

Question

A constant force F is applied to applied to a relativistic particle of rest mass m. If the particle starts from rest at Equation , its speed after a time Equation is - (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 15

» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics

Appeared in Year: 2012

MCQ▾

Question

Two events, separated by a (special) distanceEquation , are simultaneous in one inertial frame. The time interval between these two events in a frame moving with a constant speed Equation (where the speed of lightEquation ) is – (June)

Choices

Choice (4) Response

a.

40 s

b.

60 s

c.

20 s

d.

0 s

Question number: 16

» Classical Mechanics » Periodic Motion » Small Oscillations

Appeared in Year: 2012

MCQ▾

Question

The bob of a simple pendulum, which undergoes small oscillations, is immersed in water. Which of the following figures best represents the phase space diagram for the pendulum? (June)

Choices

Choice (4) Response

a.

 The phase space diagram: Choice A

the Phase Space Diagram: Choice A

In figure a phase space diagram for a pendulum which is immersed in water is shown.

b.

The phase space diagram: Choice B

The Phase Space Diagram: Choice B

In figure a phase space diagram for a pendulum which is immersed in water is shown.

c.

The phase space diagram: Choice C

The Phase Space Diagram: Choice C

In figure a phase space diagram for a pendulum which is immersed in water is shown.

d.

The phase space diagram: Choice D

The Phase Space Diagram: Choice D

In figure a phase space diagram for a pendulum which is immersed in water is shown.

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