Physics · 2019
JEE Main · 11 January 2019, Shift 1 · Q13
Equation of travelling wave on a stretched string of linear density 5 g / m is y=0.03 sin (450 t -9 x) where distance and time are measured in SI…
Equation of travelling wave on a stretched string of linear density $\displaystyle 5 \mathrm{~g} / \mathrm{m}$ is $\displaystyle y=0.03 \sin (450 \mathrm{t}-9 x)$ where distance and time are measured in SI units. The tension in the string is :
Official answer
(4)
12.$\displaystyle 5$ N
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.