EVALUATION/POST TEST
q
Direction: Read and analyze your answer very carefully and answer it
on your notebook
1. State whether the following are luminous or non - luminous
materials
a. Planet
d. a glow worm
b. A television screen
e o street light
c. Buming candle
f.fightning
2. The bending of light due to a change in speed is called
a. Reflection b. Refraction c. diffraction d. interference
3. What is the acronym that can help you remember the order of the
visible spectrum?
a. BROYGIV b. ROYGBIV c. VIBGYOR d. YOGIBVR
4. Each color of light has a different
a. Frequency b. energy c. wavelength d. all of the above
5. Of the visible spectrum, what color has the longest wavelength?
a. Blue
b. violet
c.red
d. yellow
6. A prism can be used to...
a. Separate visible light into colors.
b. Measure the speed of light.
c. Make a beam of light lighter.
d. Make Ultraviolet light visible.​