UPPCS · प्रश्न 25
Given below are two statements, one labelled as Assertion (A) and the other as Reason (R). Assertion (A): Evaporation of sweat from human skin dissipates body heat. Reason (R): High humidity on a hot day increases discomfort. Select the correct answer using the code given below.
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (C) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
स्पष्टीकरण
Sweat cools us through latent heat of evaporation; high humidity slows evaporation and so increases discomfort. Both are true, but R does not explain A.