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Question
Which of the following wave function does represent a travelling wave?
Which of the following wave function does represent a travelling wave?
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Solution
The correct option is D None of these
Travelling wave is the temporary wave that creates a
disturbance and moves along the transmission line at a constant speed. These
waves occur for a short duration, but cause a much disturbance in the line. The
travelling waves can be represented mathematically in many ways.
The basic requirements for a wave function to represent a
travelling wave is that for all values of x and t, wave function must have a
finite value. Out of the given functions for y, no one satisfies this condition
( i.e. tan, log and inverse). Therefore, none can represent a travelling wave.
Thus the correct option is D.
Travelling wave is the temporary wave that creates a disturbance and moves along the transmission line at a constant speed. These waves occur for a short duration, but cause a much disturbance in the line. The travelling waves can be represented mathematically in many ways.
The basic requirements for a wave function to represent a travelling wave is that for all values of x and t, wave function must have a finite value. Out of the given functions for y, no one satisfies this condition ( i.e. tan, log and inverse). Therefore, none can represent a travelling wave.
Thus the correct option is D.
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