Advertisements
Advertisements
प्रश्न
Fill in the blank
Heat is a form of _______.
विकल्प
electrical energy
gravitational energy
thermal energy
None of these
Advertisements
उत्तर १
Heat is a form of energy.
उत्तर २
Heat is a form of thermal energy.
संबंधित प्रश्न
Select the correct alternative
A thermometer uses
Name the three modes of transfer of heat.
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)?
What will absorb heat?
Steel spoon
What will absorb heat?
Glass vessel
What will absorb heat?
Soil
Give scientific reason.
Dew drops form on the grass in winter.
Name the SI unit of heat.
Which temperature segment is chosen when determining the unit of heat? Why?
Why does the bottom of a lake not freeze in severe winter though the surface is all frozen?
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
We reduce the heat by adding ______ while preparing fruit juice.
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
When an electric current is passing through the conductor ______ energy is produced.
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?
In which of the following, chemical energy is converted into heat energy?
Warm air is ______.
