Two pulses travel in mutually opposite directions in a string with a speed of 2.5 cm/s as shown in the figure. Initially the pulses are 10cm apart. What will be the state of the string after two seconds
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
After two seconds each wave travel a distance of 2.5 × × 2 = 5 cm i.e. the two pulses will meet in mutually opposite phase and hence the amplitude of resultant will be zero.
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