Has wavelength that’s proportional to frequency (longer wavelength is high frequency).
Travels at the speed of sound in a vacuum.
Has wavelength that’s inversely proportional to frequency (longer wavelength is lower frequency).
Ranges from high energy radio waves to low energy gamma rays.
7.Which of the following is the lowest energy form of electromagnetic radiation?
1 point
Radio waves
X-Rays
8.Which of the following statements about photons is true?
1 point
They can be thought of as both particles and waves.
They gain energy as they travel though space.
They are particles with the same mass as protons.
They travel at infinite speed.
9.Energy
1 point
Can change forms but is not created or destroyed.
Is the same as electric charge.
Can never be measured.
Is only associated with the motions of atoms and molecules.
10.Moving away from a spherical source of radiation like a star, the intensity
1 point
Increases linearly
Decreases linearly
Increases by the square of the distance
Decreases by the square of the distance
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