Respuesta :
Explanation:
Frequency = 76 Hz
Wavelength =?
The parameters are related by;
FREQUENCY OF OSCILLATION x WAVELENGTH = SPEED OF LIGHT
Wavelength = Speed of light / Frequency
Wavelength = 299,792,458 / 76
Wavelength = 3944637.61m
Wavelength = 3944.63761 km
Wavelength = 2450.09 miles (Upon conversion to miles by division by 1.61)
Energy = ?
E = h · f
where h = planks constant
Energy = 6.626 * 10^-34 * 76
Energy = 503.576 * 10^-34
Energy = 5.03576 * 10^-32 J
The speed of an electromagnetic radiation through vacuum is equivalent
to the speed of light.
- First Part: The wavelength of the radiation is approximately 3.945 km
- Second Part: The energy of the frequency is 5.0358132 × 10⁻³² J
Reasons:
The given parameter are;
The frequency of operation of the ELF = 76 Hz
First Part:
Required:
The wavelength of the radiation
Solution:
The speed of the electromagnetic radiation, v = f·λ
Where:
c = The speed of the radiation = 299,792,458 m/s
f = The frequency of the radiation = 76 Hz
λ = The wavelength of the radiation
Therefore;
[tex]\mathrm{The \ wavelength \ of \ the \ radiation,}\ \lambda = \dfrac{c}{f} = \dfrac{299792458 \ m/s}{76 \ Hz} \approx 3,944,637.6 \ m[/tex]
The wavelength of the radiation ≈ 3.945 km
Second part;
Energy, E = h·f
Where;
h = Planck's constant = 6.62607004 × 10⁻³⁴ m²·kg/s
Therefore;
E = 6.62607004 × 10⁻³⁴ m²·kg/s × 76 Hz = 5.0358132 × 10⁻³² J
The energy in joules of the frequency 5.0358132 × 10⁻³² J
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