9. Does unit of coefficient of linear expansion depend on unit of length ?
10. Is linear expansion
possible in the case of liquids? Explain.
11. Why there is apparent expansion in liquids ?
12. Why there is no
apparent expansion in gases ?
13. What is thermal conductions ?
14. Name two substances which are good
conductors of heat.
15. Name two bad conductors of heat.
16. What is the S.I. unit of thermal conductivity?
Please help me
Answers
Answer:
Thermal conduction is the transfer of internal energy by microscopic collisions of particles and movement of electrons within a body. The colliding particles, which include molecules, atoms and electrons, transfer disorganized microscopic kinetic and potential energy, jointly known as internal energy. Wikipedia
Copper is a good conductor of heat. This means that if you heat one end of a piece of copper, the other end will quickly reach the same temperature. Most metals are pretty good conductors; however, apart from silver, copper is the best. Ans : The gas has not fixed volume. It occupies the volume of the vessel in which it is kept. So, if the gas is heated in a vessel, at first the vessel will expand and with the expansion of the vessel the gas will expand. Therefore, there is no apparent expansion in case of gas expansion.Jan 31, 2019
Answer:
please mark me as the brainliest .....
