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The thickness of ozone in a column of ai...

The thickness of ozone in a column of air from the ground to the top of the atmosphere is measured in terms of:

A

Decibel units

B

Pascal units

C

Svedberg units

D

Dobson units

Text Solution

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The correct Answer is:
D
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Which of the following is incorrect about ozone ? i. The bad ozone is found in the upper part of atmosphere ii. Thickness is measured in terms of Dobson units iii. Ozone gas is formed by action on UV rays on molecular oxygen iv. Ophthalmic problems may increase with ozone depletion

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