POST-TEST
Direction: Find out how much you have learned in this module. Choose the letter
of the best answer.
1. Put the visible light colors in order from shortest wavelength to longest
wavelength.
a. Red, Yellow, Green, Orange, Violet, Blue, Indigo
b. Violet, Indigo, Blue, Green, Yellow, Orange, Red
c. Red, Orange, Yellow, Green, Blue, Indigo, Violet
d. Blue, Green, Violet, Indigo, Orange, Red, Yellow
2. It is made up of a mixture of seven colors of the rainbow.
a. flashlight
b. white light
c. red light
d. solar light
3. Light can be described in terms of its brightness. The brightness of a source
of light is expressed as luminous
a. frequency
b. energy
c. intensity
d. spectrum
4. In the visible spectrum, which color has the highest frequency and shortest
wavelength?
a. Green
b. Blue
c. Red
d. Violet
5. Which color of the visible light spectrum has the lowest frequency?
a. Blue
b. Red
c. Violet
d. Orange
6. The acronym (letters) used to remember visible light is
a. GORBVYI
b. ROYGBIV
c. BIVROGY
d. ROMEROI
7.which color of the visible light spectrum has the highest frequency ?
a.green
b.yellow
c.orange
d.blue
8.it is a phenomenon in which a prism separates white light into its component colors
a.radiation
b.rarefaction
c.dispersion
d.compression
9.what is the constant value of the speed of light?
a.700,000,000 m/s.
b.600,000,000 m/s.
c.500,000,000 m/s.
d.300,000,000 m/s.
10.it refers to a transparent refracting device bounded by 5 plane surfaces inclines at some angles.
a.prism
b.light
c.mirror
d.rainbow
11.it refers to a transparent refracting device founded by five plane surfaces inclined at some angles.
a.snow
b.rainbow
c.heat
d.shadow
12.how can wavelength be related to frequency ?
a.the lower frequency of a wave ,the shorter the wavelength
b.the higher the frequency of a wave ,the shorter the wavelength
c.the higher the frequency of a wave, the longer the wavelength
d.frequency does not vary with wavelength
13.objects are visible because of the light day ____.
a.absorved
b.dispersed
c.diffused
d.reflected
14.the light that is reflected by an object determine .
a.its speed
b.its mass
c.its color
d.its absoroption
15.Which of the following refers to the waves of light that contain a mixture of wavelengths that the human eye can detect ?
a.prism
b.white light
c.visible light
d.EM spectrum
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