MCQ
Which of the technique(s) is/ are not used for measuring time intervals?
- AElectrical oscillator.
- BAtomic clock.
- CSpring oscillator.
- DDecay of elementary particles.
✓
Answer
- Spring oscillator.
Explanation:
Spring oscillator cannot be used to meausre time intervals. But in electrical oscillator electrical oscillations are produced in L-C circuit and oscillators are maintained with the help of transistor. 1 us can be measured with these oscillators.
Atomic clock are based on periodic vibrations taking place within the atoms.
Decay of elementary particles: The life span of particles varies from 10-16 to 10-24 s. By making use of their decay times, very small time intervals can be measured.
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