A) 377 mm
B) 377 m
C) 377 cm
D) 3.77 cm
Correct Answer: B
Solution :
Frequency of radiated electromagnetic waves \[v=\frac{1}{2\pi \sqrt{LC}}\] \[v=\frac{1}{2\pi \sqrt{100\times {{10}^{-6}}\times 400\times {{10}^{-12}}}}=\frac{{{10}^{7}}}{4\pi }Hz\] \[\therefore \]Wave length\[\lambda =\frac{c}{v}\] \[=\frac{3\times {{10}^{8}}}{{{10}^{7}}/4\pi }\] \[=120\pi \] \[\simeq 377m\]You need to login to perform this action.
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