1

AIEEE 2011

MCQ (Single Correct Answer)

+4

-1

The transverse displacement $$y(x, t)$$ of a wave on a string is given by $$y\left( {x,t} \right) = {e^{ - \left( {a{x^2} + b{t^2} + 2\sqrt {ab} \,xt} \right)}}.$$ This represents $$a:$$

2

AIEEE 2010

MCQ (Single Correct Answer)

+4

-1

The equation of a wave on a string of linear mass density $$0.04\,\,kg\,{m^{ - 1}}$$ is given by
$$$y = 0.02\left( m \right)\,\sin \left[ {2\pi \left( {{t \over {0.04\left( s \right)}} - {x \over {0.50\left( m \right)}}} \right)} \right].$$$

The tension in the string is

3

AIEEE 2009

MCQ (Single Correct Answer)

+4

-1

Three sound waves of equal amplitudes have frequencies $$\left( {v - 1} \right),\,v,\,\left( {v + 1} \right).$$ They superpose to give beats. The number of beats produced per second will be :

4

AIEEE 2009

MCQ (Single Correct Answer)

+4

-1

A motor cycle starts from rest and accelerates along a straight path at $$2m/{s^2}.$$ At the starting point of the motor cycle there is a stationary electric siren. How far has the motor cycle gone when the driver hears the frequency of the siren at $$94\% $$ of its value when the motor cycle was at rest? (Speed of sound $$ = 330\,m{s^{ - 1}}$$)

Questions Asked from Waves (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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