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WorksheetsOptics
Total questions: 20
Worksheet time: 8mins
Light always travels in (a) lines.
Which of the following light frequencies travels the fastest in a vacuum? (Select all that apply)
Infrared
Visible
X-rays
Gamma
Oppositely charged particles will
Attract
Repel
Do nothing
Dimensions for a point source are important.
True
False
Total internal reflection only occurs when light tries to travels from a medium with a _____ index to ____ index
lower to higher
higher to lower
same to same
When light travels from a higher index (water) to a lower index (air), light will bend...
toward the normal
away from the normal
The height of a wave from the undisturbed state is called
frequency
amplitude
period
crest
Which type of light has the shortest wavelength?
Radio
Gamma
Infrared
Visible
The _____ experiment shows that light acts like a particle
diffraction
interference
photoelectric
The period of a wave is
time between crests
number of waves per seconds
height of the wave crests
Frequency and wavelength are
directly proportional
inversely proportional
not related
Radiation requires a medium to transfer energy
True
False
The force a charge exerts on another charge will ______ with distance
increase
decrease
stay the same
When an atom or molecule absorbs light , it might cause
vibration
rotatation
electron excitation
break it apart
nothing to happen
When light sources from multiple sources overlap, the area where all the shadows overlap is called
umbra
penumbra
Pinhole cameras only work if the aperture is LARGE
True
False
Pinhole camera create a(n) _____ image. Select all that apply.
real
virtual
inverted
upright
The index of refraction is wavelength dependent.
True
False
If we trace back reflected rays, the point they come together will create a _____ image.
virtual
real
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