A transverse wave travels on a taut steel wire with a velocity of ${v}$ when tension in it is $2.06 \times 10^{4} \;\mathrm{N} .$ When the tension is changed to $T$. the velocity changed to $\frac v2$. The value of $\mathrm{T}$ is close to
A transverse wave travels on a taut steel wire with a velocity of ${v}$ when tension in it is $2.06 \times 10^{4} \;\mathrm{N} .$ When the tension is changed to $T$. the velocity changed to $\frac v2$. The value of $\mathrm{T}$ is close to
- [JEE MAIN 2020]
- A
$10.2 \times 10^{2} \;\mathrm{N}$
- B
$5.15 \times 10^{3}\; \mathrm{N}$
- C
$2.50 \times 10^{4}\; \mathrm{N}$
- D
$30.5 \times 10^{4}\; \mathrm{N}$
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