The device used for measuring temperature is called:
Tachometer
odometer
thermometer
barometer
a. Wool is an insulatorb. Wool id s conductor c. wool traps air d. wool has vacuum
The expansion of one of the following liquids is used for measuring the temperature in ordinary thermometers. This liquid is:
Alcohol
Water
Glycerol
Mercury
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
A wooden spoon is dipped in a cup of ice cream. Its other end:
becomes cold by the process of conduction
becomes cold by the process of convection
becomes cold by the process of radiation
does not become cold
The heat from the sun reaches us on the earth by the process of:
Conduction
radiation
convection
None of these
