Back to THERMODYNAMICS
NEET UG PHYSICS MCQ: THERMODYNAMICS
1
Medium
1 of 1
Application
+4 | -1
In a water-fall the water falls from a height of 100m. If the entire K.E. of water is converted into heat, the rise in temperature of water will be
View answer and explanation
Correct option: A
The potential energy of the water at the top of the waterfall is converted into kinetic energy, which is then converted into heat. Using the formula , we can solve for the change in temperature, which is approximately 0.23°C.
More Questions from THERMODYNAMICS
Practice All Chapter MCQs →
The work done during expansion of a gas is independent of pressure if the expansion takes place
When heat is added to a system, which of the following is not possible?
The relation for an adiabatic expansion is
A Carnot engine has efficiency . Efficiency becomes when temperature of sink is decreased by 50 K (keeping source fixed). What is the original temperature of the sink? If sink and source temperature of a refrigerator are and respectively. Then efficiency of refrigerator is The unit of mechanical equivalent of heat is
A Carnot engine has efficiency . Efficiency becomes when temperature of sink is decreased by 50 K (keeping source fixed). What is the original temperature of the sink? If sink and source temperature of a refrigerator are and respectively. Then efficiency of refrigerator is The unit of mechanical equivalent of heat is
