A vessel contains \[M\] grams of water at a certain temperature and water at certain other temperature is passed into it at a. constant. Rate of\[mg/s\]. The variation - of temperature of the & mixture with time is shown in figure. The values of \[m\] and ware, respectively (the heat exchanged after a long Time (sec) time is 800 cal)

A vessel contains \[M\] grams of water at a certain temperature and wa

1.	A vessel contains \[M\] grams of water at a certain temperature and water at certain other temperature is passed into it at a. constant. Rate of\[mg/s\]. The variation - of temperature of the & mixture with time is shown in figure. The values of \[m\] and ware, respectively (the heat exchanged after a long Time (sec) time is 800 cal)
A.	40 and 2
B.	40 and 4
C.	20 and 4
D.	20 and 2
Answer» C. 20 and 4