Atelevision relay transmitter operates at a frequency of 927.9 mhz. calculate the wavelength of the signal in nanometers. is this visible light? (1 mhz = 1,000,000 hz)

Answer : The wavelength of the signal is . This is not a visible light.

Solution : Given,

Frequency = 927.9 MHz =      

Speed of light =

Formula used :

where,

= frequency

= wavelength

c = speed of light

Now put all the given values in this formula, we get the wavelength of the signal.

This is not a visible light because the range of visible light is (380 to 700 nm).

Therefore, the wavelength of the signal is . This is not a visible light.

what is the volume occupied by 40 grams of argon gas (ar) at standard conditions? what volume, in liters, is occupied by 1.5 x 1023 

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