Advertisements
Advertisements
Question
Explain the following:
Why is the cooling in a refrigerator kept near the top?
Advertisements
Solution
Inside the refrigerator, cooling takes place by convection. The freezing chamber at the top produces cool and heavy air which descends and hot air from below goes up setting convection current. Thus, cooling in a refrigerator is kept near the top.
APPEARS IN
RELATED QUESTIONS
Convert 5°F to the Celsius scale.
What is the difference between heat and temperature? What are their units?
Name or state the following:
The law which states that pressure remaining constant the volume of a given mass of dry gas is directly proportional to its absolute [Kelvin] temperature.
1 joule = 4.2 calorie
Is this relation correct?
Define coefficient of linear expansion. Write its SI unit.
A spiral cut from a thick chart paper is pivoted at 0 and is held slightly above a burning candle You will notice that the spiral starts moving. Explain.

Complete the following sentence:
SI unit of temperature is ______
If the temperature of a liquid in a container is decreased, then the interatomic distance will ______.
Kelvin is written as K also known as absolute scale as it starts from absolute zero temperature.
