What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?

The expected wavelength the given microwaves in free space is  2.857cm.

Given the data in the question;

Frequency;

To determine the expected wavelength, we use the equation for the relation of wavelength, frequency and speed of light:

Where is wavelength, f is the frequency and c is the speed of light ( )

We substitute our values into the equation

Therefore, the expected wavelength the given microwaves in free space is  2.857cm.

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Wavelength = (speed) / (frequency)

Wavelength = (300 thousand km per second) / (10.5 billion per second)

Wavelength = (300 / 10.5) (thousand km per second) / (billion per second)

Wavelength = (28.57) (million meters / second) / (thousand million / second)

Wavelength = (28.57) (meters / second) / (thousand / second)

Wavelength = (28.57) (meters / thousand)

Wavelength = (28.57) (millimeters)

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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