Advertisements
Advertisements
प्रश्न
What will absorb heat?
Plastic plate
पर्याय
Will absorb heat
Will not absorb heat
Advertisements
उत्तर
Will not absorb heat
Explanation:
Plastic is a poor heat conductor, so it absorbs very little heat and does not heat up quickly. In contrast, materials such as metal absorb and dissipate heat quickly. This is why plastic plates do not heat up much, even when hot food is placed on them.
संबंधित प्रश्न
Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
Find the odd one out and give its explanation.
The unit of heat and temperature are the same.
Which of the following substances will absorb more heat energy?
Define one calorie.
______ is a form of energy.
A circular metal loop is heated at point O as shown in the following figure.
- In which direction would heat flow in the loop?
- In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
Observe the picture given in figure. Water is being boiled in a pan of wide base.
- Which position P or T will feel warmer?
- Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
In summer, we prefer light – colored clothes and in winter we usually wear dark – colored clothes.
