Given below are two statements, one is 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 from the code given below:

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A) : Relative humidity decreases with increasing air temperature. Reason (R) : Absolute humidi…

An ideal gas is taken around a closed cycle ABCA as shown in the p-V diagram below. The coordinates of the points are: A(V, p); B(3V, 4p); C(3V, p). What is the work done during one complete cycle?

Which of the following are exothermic processes ? i. Evaporation of water. ii. Dilution of an acid (H₂SO4). iii. Reaction of water with quick lime. iv. Sublimation of camphor (crystals).

Which of the following is a correct relationship between Fahrenheit (°F) and Celsius (°C) degrees ?

Heat transfer that does not require a medium is called