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Einstein’s Special Theory of Relativity :: Discussion
| 7. | The momentum of a photon having energy 1.00 X 10-17 J is? | |
| A. | 2.33 X 10-26 kg m/s | |
| B. | 3.33 X 10-26 kg m/s | |
| C. | 4.33 X 10-26 kg m/s | |
| D. | 5.33 X 10-26 kg m/s | |
| Answer: Option B | |
| Explanation: | |
|
Now, the rest mass of a photon is zero. |
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| Tutorial Link: |
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