Properties Of Solids And Liquids Question 58
Question: Water falls from a height of 210m. Assuming whole of energy due to fall is converted into heat the rise in temperature of water would be (J = 4.3 Joule/cal) [Pb. PMT 2002]
Options:
A) 42°C
B) 49°C
C) 0.49°C
D) 4.9°C
Show Answer
Answer:
Correct Answer: C
Solution:
$ \Delta \theta =0.0023h=0.0023\times 210=0.483{}^\circ C\approx 0.49{}^\circ C $ .
