The expansion of one of the following liquids is used for measuring the temperature in ordinary thermometers. This liquid is:
Alcohol
Water
Glycerol
Mercury
Which of the following conditions lead to the blowing of sea - breeze in coastal areas?
a. Land cool and sea warmb. Land hot and sea coolc. At Day timed. At Night time
A and B
A and C
B and C
B and D
An iron ball at 40oC is dropped in a mug containing water at 40oC. The heat will:
Flow from iron ball to water
Not flow from iron ball to water or from water to iron ball
Flow from water to iron ball
Increase the temperature of both
Which of the following is not an insulator?
Stone
bamboo
brass
Cardboard
Which of the following statement is true?
Metal are bad conductors
In gases, heat is transferred by conduction
In conduction, molecules move from hotter to colder parts transmitting energy
Metals conduct heat better than gases
a. Short temperature rangeb. Wide temperature rangec. Alcohol filled glass bulbd. Constriction in glass tube
