41.
What factors contribute to global winds?

42.
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

43.
A spring is an example of which of these

44.
A copper disc has a hole. If the disc is heated, the size of the hole

45.
Which measurement describes the pressure of a gas?

46.
Tensional forces normally cause which one of the following?

47.
Amount of water vapour in the atmosphere is measured in terms of

48.
For an ideal gas, which one of the following statements does not hold true?

49.
Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as

50.
The transport phenomenon occurs only in ________ state of a gas and is ________