The thickness of ozone in a column of air in the atmosphere is measured in terms of:

Options

1. Decameter
2. Kilobase
3. Dobson units
4. Decibels

Correct Answer

Dobson units

Explanation

Ozone layer thickness is measured in Dobson Units (DU), where 1 DU = 0.01 mm of pure ozone at STP.

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