1. It refers to the range of wavelengths in the electromagnetic spectrum that humans
can see.
A. Gamma Ray C. Visible Light
B. Microwave D. X-ray
2. What are the primary colors in the visible light?
A. indigo, orange, violet C. yellow, blue, orange
B. red, blue, green D. violet, green, red
3. Which of the following is NOT a color in the visible light spectrum?
A. blue C. magenta
B. green D. violet
4. Which of the following statements is TRUE about the different colors of light?
A. Different colors of light have equal frequencies.
B. When the wavelength is long, the frequency is low.
C. When the wavelength is long, the frequency is high.
D. Different colors of light have the same wavelengths.
5. What is the standard unit of wavelength?
A. candela C. meter
B. hertz D. second
6. What causes white light to separate into different colors as it passes through a
prism? It is the different ________ of different colors.
A. amplitude C. velocity
B. speeds D. wavelengths
7. Which refers to the colored band of light produced when it passes through a
prism?
A. eclipse C. reflection
B. pattern D. spectrum
8. Which color of light has the longest wavelength?
A. green C. orange
B. indigo D. red
9. Which color of light carries the highest frequency?
A. blue C. yellow
B. green D. violet
10. What color of light bends least among other colors as it enters from a less dense
to a denser medium?
A. green C. yellow
B. indigo D. violet
11. Which is the CORRECT order of colors in the visible light spectrum according to
decreasing frequency?
A. red, orange, yellow, green, blue, indigo, violet
B. red, violet, orange, indigo, yellow, blue, green
C. violet, indigo, blue, green, yellow, orange, red
D. violet, red, indigo, orange, blue, yellow, green
12. Which of the following order of colors in the visible light spectrum is arranged
from the longest to the shortest wavelength?
A. red, orange, yellow, green, blue, indigo, violet
B. red, violet, orange, indigo, yellow, blue, green
C. violet, indigo, blue, green, yellow, orange, red
D. violet, red, indigo, orange, blue, yellow, green
13. Why violet is in the bottommost part of the visible spectrum of light? It has the
___________.
A. lowest frequency and longest wavelength
B. lowest frequency and shortest wavelength
C. highest frequency and longest wavelength
D. highest frequency and shortest wavelength
14. What optical phenomenon is observed when white light splits into seven
constituent colors?
A. dispersion C. reflection
B. interference D. refraction
15. How does amplitude of wave affect brightness of light?
A. Amplitude does not affect light.
B. Amplitude always makes light bright.
C. The higher the amplitude, the brighter the light.
D. The higher the amplitude, the dimmer the light.