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Question
The figure shows at time t=0 sec, a rectangular and triangular pulse on a uniform wire. They are approaching each other. The pulse speeds are 0.5 cm/s each. The resultant pulse at t=2 sec is
The figure shows at time t=0 sec, a rectangular and triangular pulse on a uniform wire. They are approaching each other. The pulse speeds are 0.5 cm/s each. The resultant pulse at t=2 sec is
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Solution
The correct option is D
At t=2 sec, the positions of both the pulses are separately shown in Fig. (a) and Fig. (b);
By the definition of Principle of superposition, displacements due to both the pulses from x=0 to x=1 will get added up and the resultant shape of the pulse is shown in the Fig. (c).
Thus, option (d) is the correct answer.
At t=2 sec, the positions of both the pulses are separately shown in Fig. (a) and Fig. (b);
By the definition of Principle of superposition, displacements due to both the pulses from x=0 to x=1 will get added up and the resultant shape of the pulse is shown in the Fig. (c).
Thus, option (d) is the correct answer.
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