Units Devices Dimensions And Measurements Quiz 2 (25 MCQs)

Quiz Instructions:

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1. Which instrument is used to view two dimensional pictures?

2. Which instrument is used to receive a signal and transmit a reply immediately?

3. Noise is measured in which units?

4. Which instrument is used to convert sound waves into electrical vibrations?

5. Thickness of the Ozone layer is measured in which units?

6. The equivalent of one Dobson unit is

7. What is unit of Work and Energy?

8. Which instrument is used to measure the position of spectral lines?

9. Which instrument is used to compare magnetic movements and fields?

10. Which instrument is used to determine heights?

11. Which instrument is used to measure intensity of sound?

12. Which instrument is used to measure refractive indices?

13. Which instrument is used to measure depth of ocean?

14. Which instrument is used to measure altitudes in aircraft's?

15. Which instrument is used to measure electrical resistance in ohms?

16. Which instrument is used to measure level of humidity?

17. Which instrument is used to record changes in heartbeat, blood-pressure and respiration

18. Radian per second is unit of

19. Which instrument is used to determine the density and coefficient of expansion of liquids?

20. Which instrument is used to detect the presence of an electric charge?

21. Candela is used to measure

22. Which instrument is used to compare luminous intensity of the source of light?

23. Which instrument is used to measure the pitch of a sound?

24. Which instrument is used to measure heat radiation?

25. Which instrument is used to record physical happenings at a distant place?