Choose the best answer. It does not matter how many questions you miss. What matters is that you learn from any mistakes.
What is the wave speed for light?
3.00 x 108m/s
1.00 x 106m/s
740 m/s
1125 m/s
What is the speed of a wave if the wavelength is 800. nm and the frequency is 2.50 x 1013 Hz?
2.00 x 105m/s
2.00 x 108m/s
2.50 x 1013m/s
3.20 x 10-20m/s
What is the speed of an FM radio wave in the air?
Faster the speed of visible light.
Same speed as visible light.
Slower than the speed of visible light.
There are three types of x-rays, beta, gamma, and this one...
theta
UV-c
alpha
microwave
This part of the electromagnetic spectrum is used to see the bodies of water even if they cannot be seen from the sky due to leaves on the trees in the forest. Which type of light are we talking about?
radio
microwave
IR
alpha rays
The radio station WWWV is 97.5 MHz on the radio dail. How much energy does 1000 photons from this radio tower have?
6.46x10-26 J
6.46x10-23 J
2.93x1010 J
As the energy in the elctromagnetic spectrum increases, what happens to the wavelength?
The wavelengths decrease in length.
The wavelengths increase in length.
The wavelength is independent of the energies associated with the electromagnetic spectrum.
Which part of the electromagnet spectrum has the highest frequency?
visible light
microwaves
UV
radio waves
Which part of the electromagnet spectrum has the highest ENERGY?
visible orange
visible blue
visible yellow
visible green
Which part of the electromagnet spectrum has the highest ENERGY?