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Physics

IMPORTANT

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A steel wire has a mass of, $50 g m^{- 1}$ and is under tension $450 N$ . Find the maximum average power that can be carried by the transverse wave in the wire if the amplitude is not to exceed, $20 %$ of the wavelength.

Important Questions on Travelling Waves

MEDIUM

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>CONCEPT APPLICATION EXERCISE>Q 4

A steel wire has a mass of $50 g m^{- 1}$ and is under tension, $450 N$ . The change in maximum average power if the mass per unit length of the wire is doubled. (Use $π^{2} ≅ 10$ )

HARD

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>CONCEPT APPLICATION EXERCISE>Q 5

Two travelling transverse waves each of frequency

f

amplitude

A

and phase difference

ϕ

superimpose to form another travelling wave. The resulting wave travels in a string of tension

T

and linear mass density

μ

. Find the average power of the wave in the string.

MEDIUM

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>Exercises>Q 2

The amplitude of a wave disturbance propagating in the positive

y

-direction is given by,

y = \frac{1}{1 + x^{2}}

t = 0

and

y = \frac{1}{[1 + (x - 1)^{2}]}

t = 2 s

the wave speed is,

MEDIUM

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>Exercises>Q 3

A sinusoidal wave is generated by moving the end of a string up and down, periodically. The generator must apply the energy at maximum rate when the end of the string attached to generator has

\dots \dots X \dots \dots

and least power when the end of the string attached to generator has

\dots \dots Y \dots \dots

. The most suitable option which correctly fills blanks

X

and

Y

, is

EASY

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>Exercises>Q 4

The displacement vs time graph for two waves A and B which travel along the same string are shown in the figure. Their intensity ratio $\frac{I_{A}}{I_{B}}$ is,

Question Image

MEDIUM

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>Exercises>Q 5

A wave pulse is generated in a string that lies along $x$ -axis. At the points $A$ and $B$ , as shown in the figure, if $R_{A}$ and $R_{B}$ , are ratios of magnitudes of wave speed to the particle speed, then

Question Image

EASY

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>Exercises>Q 6

The speed of a wave in a certain medium is

960 m s^{- 1}

. If

3600

waves pass over a certain point of the medium in

1 \min,

the wavelength is,

MEDIUM

Physics

IMPORTANT

PHYSICS FOR JOINT ENTRANCE EXAMINATION WAVES AND THERMODYNAMICS>Chapter 6 - Travelling Waves>Exercises>Q 7

A transverse wave is described by the equation

Y = Y_{0} \sin 2 π (f t - x / λ)

. The maximum particle velocity is equal to four times the wave velocity if

A steel wire has a mass of, 50 g m-1 and is under tension 450 N. Find the maximum average power that can be carried by the transverse wave in the wire if the amplitude is not to exceed, 20% of the wavelength.

Important Questions on Travelling Waves

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A steel wire has a mass of, $50 g m^{- 1}$ and is under tension $450 N$ . Find the maximum average power that can be carried by the transverse wave in the wire if the amplitude is not to exceed, $20 %$ of the wavelength.