The extent of darkness caused due to smoke can be determined by the help of:

804Active Users

804Active Users

75ForestryMedium

ARingelmann’s charts

BSmoke filters

CAll of these

DHorizontal microscopes

Correct answer

A. Ringelmann’s charts

Explanation

The correct answer is Ringelmann’s charts.

The extent of darkness caused due to smoke can be determined by the help of: - Answer and Explanation | Academy of Pakistan