Give an example for insulator?
Copper
Iron
Plastic
Aluminium
The cool air from the land moves towards the sea is called?
Wind
Land breeze
Sea breeze
Gentle breeze
Which heat transmission does not any medium?
Convection
Conduction
Radiation
Vaporisation
An iron ball at 40°C is dropped in a mug containing water at 40°C. 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.
The materials which do not allow heat to pass through them easily are called?
Metals
Plastics
Conductors
Insulators
Stainless steel pans are usually provided with copper bottoms. The reason for this could be that?
copper bottom makes the pan more durable.
such pans appear colourful
copper is a better conductor of heat than the stainless steel.
copper is easier to clean than the stainless steel.
Which of the following methods of heat transfer does not involve the movement or vibration of particles?
Circulation
Which of the following units cannot be used to measure temperature?
Fahrenheit
Celsius
Pascal
Kevin
Transfer of heat in solids is called?
The materials which allow heat to pass through them easily are called?
Gases