Classical Mechanics-Periodic Motion (CSIR Physical Sciences): Questions 3 - 5 of 7

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Question number: 3

» Classical Mechanics » Periodic Motion » Small Oscillations

Appeared in Year: 2014

MCQ▾

Question

The time period of a simple pendulum under the influence of the acceleration due to gravity g is T. The bob is subjected to an additional acceleration of magnitude 3g in the horizontal direction. Assuming small oscillations, the mean position and time period of oscillation, respectively, of the bob will be – (June)

Choices

Choice (4) Response
a.

600 to the vertical and T2

b.

00 to the vertical and 3T

c.

00 to the vertical and T3

d.

300 to the vertical and T2

Question number: 4

» Classical Mechanics » Periodic Motion » Small Oscillations

Appeared in Year: 2011

MCQ▾

Question

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

Choices

Choice (4) Response
a.

qETmk

b.

qEmTk32

c.

qEk

d.

qET2m

Question number: 5

» 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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