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A hypothetical electromagnetic wave is show below.
The frequency of the wave is \(x \times 10^{19} \mathrm{~Hz}\).
\(x =\) ______ (nearest integer)
The frequency of the wave is \(x \times 10^{19} \mathrm{~Hz}\).
\(x =\) ______ (nearest integer)
Solution:
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Verified Answer
The correct answer is:
5
$\begin{aligned} & \lambda=1.5 \times 4 \mathrm{pm} \\ &=6 \times 10^{-12} \text { meter } \\ & \lambda v=\mathrm{C} \\ & 6 \times 10^{-12} \times v=3 \times 10^8 \\ & v=5 \times 10^{19} \mathrm{~Hz}\end{aligned}$
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