Natural units of time are based on naturally occurring astronomical cycles. Examples include the tropical year (Earth's orbit around the Sun, determining seasons), the lunar month (Moon's orbit around the Earth), and the day (Earth's rotation on its axis).
Which one of the following is not a natural unit of time ?
Asked in UKPSC CS Prelims 2016 · Topic: Measurement/Unit (Units of Measurement (Definition and Characteristics))
More Physics questions
- Powndal is a unit of
- Which of the following instruments is used for measuring the depth of the ocean ?
- Which of the following are units of the pressure ? (A) bar (B) Pa (C) torr (D) atm Choose the correct option :
- Match the names of scientific instruments in Column I with their designated fields of applications in Column II and select the correct answer using the options given below the columns : Column I Column II 1. Galvanoa. Measure internal pressure of meter the eye 2. Hygrometer b. Measure electric currents 3. Manometer c. Measure humidity levels 4. Tonometer d. Pressure of gases
- Which one of the following devices is used to measure atmospheric pressure ?
- A Barometer kept in an elevator reads 760 mm when the elevator is at rest. When the elevator moves in the upward direction with increasing speed, the reading of the Barometer will be:
- The velocity of wind is measured by
- Which of the following weather conditions is indicated by a sudden fall in barometer reading?
