Advertisements
Advertisements
प्रश्न
A circular metal loop is heated at point O as shown in Figure 4.6.
(i) In which direction would heat flow in the loop?
(ii) 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?
उत्तर
(i) The heat will flow in both directions i.e. from O to P and O to R.
(ii) At first the pins at R and P will fall simultaneously followed by the pin at Q.
APPEARS IN
संबंधित प्रश्न
What will absorb heat?
Glass vessel
The unit of heat and temperature are the same.
______ energy can be generated by the burning of fuels like coal, wood, charcoal, gasoline, etc.
______ is a form of energy.
In the past, people used to rub two wooden pieces together to light fire.
The SI unit of heat energy is ______.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
In which of the following, chemical energy is converted into heat energy?
Heat gained by a body depends upon which factors?
Explain the following effects of heat.
Chemical changes
