Physics · Units and Measurements
Extremely small time intervals (less than a nanosecond) are measured accurately by which of the following?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Quartz clocks
- 2Solar radiometers
- 3Radiation pyrometers
- 4Atomic clocks✓
Correct answer
Atomic clocks
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