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Ozone hole is measured in...

Ozone hole is measured in

A

decibel

B

dobson units (DU)

C

parts per million (PPM)

D

cubic centimeter

Text Solution

Verified by Experts

The correct Answer is:
B
The Dobson unit (DU) is a unit of measurement of the columnar density (mass of a substance per unit area integrated along a path) of a trace gas in earth.s atmosphere. It is widely used for the measurement of thickness of ozone gas in the atmosphere, e.g., concentration of ozone in ozonosphere is 300 DU whereas it is 50 DU in troposphere.
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