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Worksheets3.91 Light as a Wave
Total questions: 10
Worksheet time: 5mins
A wave cycles 5 times in one second, then its frequency is 2.5 Hz (1 point)
True
False
Sound waves are part the EM wave spectrum (1 point)
True
False
A change in a light wave's amplitude would change its color. (1 point)
True
False
Electromagnetic radiation with a wavelength of 700 nm would be: (1 point)
ultraviolet light
x-rays
red light
blue light
Gamma Rays are a type of electromagnetic radiation. (1 point)
True
False
Colors appear different to us because of their photons' different: (1 point)
wavelength
amplitudes
magnetic fields
polarization
speeds
Select one of the following that does not belong in our EM spectrum. (1 point)
gravity waves
ultraviolet rays
x-rays
gamma rays
Radio waves
If a wave's frequency doubles, its wavelength (1 point). HINT: Think about the wave equation (c=ƒλ)
is halved.
is also doubled.
is unchanged, as c is constant.
is now 4x longer.
becomes 16x longer.
Which of the following type of electromagnetic radiation has the lowest energy? (1 point)
x-ray
ultraviolet
gamma
visible
infrared
Electromagnetic radiation with a wavelength of 550 nm would be: (1 point)
x-rays
ultraviolet light
blue light
red light
green light
