The heat from the sun reaches us on the earth by the process of:
Conduction
radiation
convection
None of these
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
The normal temperature of a healthy person is thirty seven degrees on:
Kelvin scale
Roemer scale
Fahrenheit scale
Celsius scale
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
