A) 10 N
B) 7.5 N
C) 5 N
D) 12.5 N
Correct Answer: D
Solution :
[d] The given wave is ![]() |
Compare with standard wave equation |
![]() |
The velocity of travelling wave ![]() |
![]() ![]() |
Also, velocity of wave on stretched string is |
![]() |
Using (i) and (ii), |
![]() ![]() ![]() |
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