A) 1 cm
B) 0.5 cm
C) 100 cm
D) 10 cm
Correct Answer: A
Solution :
[a] \[\rho g{{Z}_{0}}=\frac{4T}{R}\] |
\[{{10}^{3}}.10.{{Z}_{0}}=\frac{4(2.5\times {{10}^{-2}})}{{{10}^{-3}}}\] |
\[=\frac{100}{{{10}^{4}}}\] |
\[{{Z}_{0}}={{10}^{-2}}\] |
\[Z=1cm\] |
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