Frequency ranges for micro waves are :-Turito

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Physics-

Frequency ranges for micro waves are :

Physics-General

$3 \times 10^{14} to 3 \times 10^{9} H z$
$3 \times 10^{9} to 3 \times 10^{4} H z$
$3 \times 10^{13} to 3 \times 10^{9} H z$
$3 \times 10^{11} to 3 \times 10^{9} H z$

Answer:The correct answer is: $3 cross times 10 to the power of 13 end exponent text to end text 3 cross times 10 to the power of 9 end exponent H z$

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