An Assessment: Think Pair Share

1
An Assessment Think Pair Share

• Best procedures read quietly to yourself (so
  you dont give any subconscious clues)
• As the instructor, we read it too, for timing,
  then ask if anyone needs more time
• If not, its time to vote simultaneouslyuse your
  fingers, right in front of your chest so others
  dont see (anonymous)

2

• If you were going to design a pair of glasses
  for seeing animals at night, you would want them
  to convert
• X-ray photons to optical photons.
• infrared photons to optical photons.
• optical photons to UV photons.
• infrared photons to X-ray photons.

3
Compared to optical photons

1. radio photons have a longer wavelength.
2. X-ray photons have a larger frequency.
3. infrared photons have a smaller energy.
4. All of the above.
5. None of the above.

4
Which statement is true?

1. Radio waves have longer wavelengths than and
   travel the same speed as x-rays.
2. Visible light has a shorter wavelength and lower
   energy than infrared light.
3. Ultraviolet light has more energy and a longer
   wavelength than x-rays.
4. Radio waves have less energy and travel slower
   than visible light.
5. Infrared light has shorter wavelengths than and
   travels the same speed as visible light .

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