Fundamentals of Light
Practice Test
1.
__________ is the rate at which visible light is emitted from an object.
a.
Illuminated flux
b.
Luminous flux
c.
Amplitude flux
d.
Frequency flux
Hint
2.
To make red light white, add __________.
a.
green light
b.
yellow light
c.
magenta light
d.
cyan light
Hint
3.
Blue light, which is bent more than red light in a prism, has __________.
a.
a shorter wavelength
b.
a lower frequency
c.
a longer wavelength
d.
a faster speed
Hint
4.
A ray of light travels in a __________.
a.
back-and-forth motion
b.
straight line
c.
circle
d.
curved line
Hint
