Question Answers

Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 9 - Kinetic Theory of Gases > The temperature of an open room of volume 30 m^3 increases from 17°C to 27°C due to the sunshine. The atmospheric pressure in the room remains 1 x 10^5 Pa. If ni and nf are the number of molecules in the room before and after heating then nf – ni will be

The temperature of an open room of volume 30 m^3 increases from 17°C to 27°C due to the sunshine. The atmospheric pressure in the room remains 1 x 10^5 Pa. If ni and nf are the number of molecules in the room before and after heating then nf – ni will be

n moles of an ideal gas with constant volume heat capacity CV undergo an isobaric expansion by certain volume. The ratio of the work done in the process to the heat supplied is :