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☆☆☆☆☆Cards in this guide (15)
How much light can the color white absorb
White does not absorb light - it reflects all visible light waves, while black absorbs all visible light and reflects nothing.
The type of energy transferred by a wave in a medium is energy
kinetic
As you sit on a dock you notice a wave crest pass You count another four wave crests in the next 12 seconds What is the frequency of these waves
0.33 Hz
Photons with the highest energy have the longest period
False
they have the shortest wavelength (period)
The unit used to measure frequency is the
Herts
The ratio of the speed of light in a medium to the speed of light in a vacuum is called its
It is usually expressed the other way: the ratio of the speed of light in a vacuum to the speed of light in a medium. In that case, it is called the "index of refraction".
A ray of light traveling parallel to the principal axis of a concave mirror will be reflected out through the mirror's
focus
The amount of diffraction that occurs when a sound wave encounters a barrier depends on the waves
wavelength
Length of a lens is the distance from the center of the lens to its principal focus
focal
The primary colors of visible light are red blue and what
green
Unlike mechanical waves electromagnetic waves can travel through .
Vacuum
At the point of a converging lens the object cannot be seen.
focal
What All of the visible color light waves together result in light
White light
A diverging lens only produces a virtual image because the light rays never:
converge
All Electromagnetic radiation
Transverse waves
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