Untitled

 2 mark

| -0.25 mark |

 60 minutes

00:00:00

Question 1:

A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used 60 J of heat flows into the system and 30 J of work is done by the system. If path ADB is used work done by the system is 10 J. The heat flow into the system in path ADB is:

Question 2:

A plane electromagnetic wave of frequency 50 MHz travels in free space along the positive \(\mathrm{x}\)-direction. At a particular point in space and time, \(\vec{E}=6.3\,\hat{j}\,\mathrm{V/m}\). The corresponding magnetic field \(\overrightarrow{B}\), at that point will be: