Oscillations and Waves (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 8 - 11 of 27

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Question number: 8

» Oscillations and Waves » Periodic Motion - Period Frequency

Appeared in Year: 2010

MCQ▾

Question

A book is resting on shelf that is undergoing vertical simple harmonic oscillations with amplitude of 2.5 cm. What is the minimum frequency of oscillation of the shell for which the book will lose contact with the shelf? (Assume that g = 10 m/s2)

Choices

Choice (4) Response

a.

125.6 Hz

b.

20 Hz

c.

3.18 Hz

d.

10 Hz

Question number: 9

» Oscillations and Waves » Periodic Functions

Appeared in Year: 2010

MCQ▾

Question

A particle of mass m undergoes oscillations about x = 0 in a potential given by Equation , where V0, k, a are constants. If the amplitude of oscillation is much smaller than a, the time period is given by,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 10

» Oscillations and Waves » Speed of a Wave

Appeared in Year: 2012

MCQ▾

Question

A body is executing simple harmonic motion of amplitude Equation and period T about the equilibrium position Equation . Large numbers of snapshots are taken at random of this body in motion. The probability of the body being found in a very small interval Equation to Equation is highest at,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 11

» Oscillations and Waves » Longitudinal and Transverse Waves

Appeared in Year: 2013

MCQ▾

Question

The figure below shows pressure variation in two different sound waves in air with time at a given position. Both the figures are drawn to the same scale.

Two waves with different wavelengths and amplitudes

Two Waves With Different Wavelengths and Amplitudes

In figure two waves with different wavelengths and different amplitude is shown.

Which of the following statements is true?

Choices

Choice (4) Response

a.

Wave 1 has higher frequency and greater amplitude compared to wave 2

b.

Wave 1 has lower frequency and smaller amplitude compared to wave 2

c.

Wave 1 has shorter wavelength and greater amplitude compared to wave 2

d.

Wave 1 has shorter wavelength and smaller amplitude compared to wave 2

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