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The range of frequency used in television broadcasting is

$\begin{array}{1 1}(a)\;\text{30 to 300MHz}\\(b)\; \text{300 to 3000MHz}\\(c)\;\text{30 to 300KHz}\\(d)\;\text{300 to 3000KHz}\end{array}$

The range of frequency used in television broad casting is 30 to 300MHz
Hence (a) is the correct answer.