Asked Feb 19, 2020

When the door of a fridge is kept open for a long time, does it reduce the temperature in the room? If yes, by what fraction and if no, why?


Expert Answer

Step 1

No, opening the door of the fridge does not cool the room.

A fridge is a heat pump which takes air inside the fridge and removes heat from it to cool the air. This heat is let out in t...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: The EMF of the bottom battery is 9.0 V. (a) Calculate the magnitude and directionof the current in t...

A: Click to see the answer


Q: Van der Waals forces can hold inert gas atoms together to form solids at lowtemperature, but they ca...

A: In the case of solids, the molecules have less energy and are closer together. Hence, the Van der Wa...


Q: In the circuit shown, each of the capacitors is fully charged and the current has ceased to flow. Ho...

A: Click to see the answer


Q: A bow wave on the surface of water is two dimensional. How about a shock wave in air?



Q: Consider the two forces acting on the person who stands still—namely, the downward pull of gravity a...

A: Yes, these forces are equal and opposite according to Newton's Third Law of Motion.   Newton's Third...


Q: Name two fictitious forces in nature.

A: Fictious Forces :   1. When a body is accelerating under the effect of an external force there is a ...


Q: If the Sun is well approximated by a black body with a temperature of 6,000◦ K, then how does its su...

A: By using Stefan Boltzmann's Law


Q: What is the ideal efficiency of a reversible heat engine cyclically operating between a source tempe...

A: Given information: Here, Tsource and Tsink are the absolute temperatures of the source and the sink...


Q: How does the frequency of vibration of a small object floating in water compare with the number of w...

A: We consider a small object floating on water and that the water is stirred so as to produce ripples,...