Mathematics · Electromagnetic Waves
A pulse of light of duration 10-5 s is completely absorbed by a small object initially at rest. If the power of this pulse is 45 × 10-3 W, what is the final momentum of the object?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.5 × 10-8 kg m s-1
- 21.5 × 10-8 kg m s-1
- 34.5 × 10-15 kg m s-1
- 41.5 × 10-15 kg m s-1✓
Correct answer
1.5 × 10-15 kg m s-1
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