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Q: Instrument for mesuring blueness of the sky or ocean is called..........
  • A. Bathymeter
  • B. Ceraunograph
  • C. Cyanometer
  • D. Barometer
Correct Answer: Option C - Cyanometer - A cyanometer is an instrument for measuring "blueness", Specifically the colour intensity of blue sky. • Bathymeter - It is used to measure a depth of water in oceans, rivers or lakes. • Ceraunograph -A device for measuring lighting discharges. • Barometer - A barometer is a used to measure atmospheric pressure, also called barometric pressure.
C. Cyanometer - A cyanometer is an instrument for measuring "blueness", Specifically the colour intensity of blue sky. • Bathymeter - It is used to measure a depth of water in oceans, rivers or lakes. • Ceraunograph -A device for measuring lighting discharges. • Barometer - A barometer is a used to measure atmospheric pressure, also called barometric pressure.

Explanations:

Cyanometer - A cyanometer is an instrument for measuring "blueness", Specifically the colour intensity of blue sky. • Bathymeter - It is used to measure a depth of water in oceans, rivers or lakes. • Ceraunograph -A device for measuring lighting discharges. • Barometer - A barometer is a used to measure atmospheric pressure, also called barometric pressure.