44
CHEMACTIVITY 9A: WAVES AND LIGHT
POSSIBLE CLICKER QUESTIONS
After CTQ 8:
1. The ________ of light is constant in empty space.
2. Wave X has a longer wavelength than Wave Y.
3. The earth is about 1.5×1011 m from the sun. If light travels at 3.0×108 m/s, how long does it
take sunlight to reach earth?
4. A certain wave has a frequency of 6.0×1014 Hz. Which wave (traveling the same speed) has
a shorter wavelength?
5. What are the symbol and units for frequency?
6. Which of the following wavelengths is corresponds to visible light?
7. Which of the following colors has the longest wavelength?
8. Which of the following colors has the highest energy?
9. Which of the following has =100 m?
10. Which type of radiation has the lowest frequency?
11. Which type of radiation has the highest energy?
46