Question 358: Thermodynamics & KTG

Question

The height of victoria falls is 63 m. What is the difference in temperature of water at the top and at the bottom of fall?[Given 1 cal = 4.2 J and specific heat of water = 1 cal g$$-$$1 $$^\circ$$0C$$-$$1]

Accepted Answer

Change in P.E. = Heat energy
mgh = mS$$\Delta$$T
$$\Delta$$T = $${{gh} \over S}$$
= $${{10 	imes 63} \over {4200J/kgC}}$$
= 0.147$$^\circ$$C

Answer

0.147$$^\circ$$ C

Answer

14.76$$^\circ$$ C

Answer

1.476$$^\circ$$ C

Answer

0.014$$^\circ$$ C

Thermodynamics & KTG

The height of victoria falls is 63 m. What is the difference in temperature of water at the top and at the bottom of fall?[Given 1 cal = 4.2 J and specific heat of water = 1 cal g$-1 ^\circ0C-$1]

Choose the correct answer: