A.\(\lambda = \frac{v}{T}\)B.\(\lambda = 2\pi vT\)C.\(\lambda = vT\)D.\(\lambda = \frac{v}{{2\pi T}}\)
A.B.C.D.
A.(\frac{{77}}{{108}}\)B.(\frac{{77}}{{109}}\)C.(\frac{{77}}{{118}}\)D.(\frac{{77}}{{208}}\)
A.\(a = b = 1\)B.\(a = b = 2\)C.\(a = b = 3\)D.\(a = b = 4\)
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