The wavelength of signals from a radio transmitter is 150...
The wavelength of signals from a radio transmitter is 1500mm and the frequency is 200kHz. What is the wavelength for a transmitter operating at 100kHz?
7500m
300m
75m
15m
Correct answer is B
\(\lambda\)1F1 = \(\lambda\)2F2
1500 x 200000 = 1000000 x \(\lambda\)2
\(\lambda\)2 = 300m
Which of the following factors will increase the sensitivity of moving coil meter? ...
The instrument to measure the relative density of liquid is ...
When left in a freezer, a bottle full of water cracks on freezing into ice because of the ...
Light from the Sun reaches us in nearly ...
Which of the following is NOT an example of elementary modern physics? ...