| Light Up My Life: Page 10 |
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- 6. Assume that you are reading a book which is resting on your desk in your physics classroom.
- a) List as many sources as possible that could be sending light to illuminate the page you are reading.
- b) Indicate which of the sources are luminous and which of the sources are reflecting light (R) to the page?
- 7. Explain what you think would be the result of using a light probe to monitor the illuminance if you were to walk through a room in which many candles were placed on small tables spaced evenly throughout the room.
- 8. If 50 fc of illuminance is required for a particular task, at what minimum distance from a 450 cd point source of light should the person doing the task be located?
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