Discussion
Assertion (A): A droplet reaching one micrometre does so very quickly compared with the later stages of its growth.
Reason (R): The growth rate in radius is inversely proportional to the radius already attained.
Answer: A
Both are true and the reason gives the dependence, and the first micrometre is covered in a matter of seconds. Each successive micrometre takes progressively longer than the one before. The last few micrometres account for most of the elapsed time.
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