Physics · Electromagnetic Waves
What is the speed of X-rays in a vacuum?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11,000,000 km/s
- 2500,000 km/s
- 3150,000 km/s
- 4300,000 km/s✓
Correct answer
300,000 km/s
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