Item RG146002: Light shines on a plate. Moving the plate to a different location that is the same distance away from the light will not change the amount of energy transferred to the plate. (with diagrams)
A glowing light bulb gives off electromagnetic radiation in all directions as represented by the arrows in the figure below. Suppose a metal plate is placed near the light bulb.
Which of the following changes would NOT affect the amount of energy transferred to the metal plate by electromagnetic radiation?
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The distance between the light bulb and plate is increased.
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The area of the plate is increased.
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The temperature of the light bulb is increased.
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The plate is moved above the light bulb.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 1141 |
4–5 n = 0 | 6–8 n = 685 |
9–12 n = 456 |
Male n = 502 |
Female n = 610 |
English n = 985 |
Other n = 127 |
|
| A. | 24% | N/A | 25% | 23% | 26% | 22% | 23% | 29% |
| B. | 23% | N/A | 25% | 21% | 22% | 25% | 24% | 24% |
| C. | 15% | N/A | 13% | 17% | 13% | 16% | 15% | 15% |
| D. | 38% | N/A | 37% | 39% | 39% | 37% | 38% | 32% |

