What is the period of oscillations in an electromagnetic wave if its wavelength in vacuum is 10m?
| May 28, 2021 | education
The period is calculated by the formula
T = 1 / f,
Where
T – period;
f is the frequency.
f = c / L,
here
c – speed of propagation of an electromagnetic wave in a vacuum (m / s);
L – wavelength (m).
Let’s calculate the period
T = 1 / (c / L) = L / c;
T = 10 / (3 * 10 ^ 8) = 3.3 * 10 ^ -8 s.
Answer: 3.3 * 10 ^ -8 s.
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