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ICSE Class 9 Heat and Energy MCQ New

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ICSE Class 9 Heat and Energy MCQ

ICSE Class 10 All Subject MCQ

ICSE Class 9 Heat and Energy MCQ HERE

In which of the following transfer of heat takes place from the object to the surroundings?

Books placed in the rack

A cup of hot tea placed in the room

Ice cream in the cup

Toys in the shelf

A wooden chair and a metallic chair are placed in sunlight for a long duration. If we are asked to sit on one of them, we will sit on the ____ chair because it is a ____ conductor of heat.

metallic,

goodmetallic,

badwooden,

badwooden,

good

____ is the fastest mode of transfer of heat.

Conduction

Convection

Radiation

Reflection

The objects which do not allow the heat to pass through them are called ____.

conductor

convector'

sradiators

insulators

An example of a good conductor is ____.

plastic

thermocol

saw dust

lead

Convection of heat is not possible in liquids.

True

False

The flow of heat from one part of the body at higher temperature to another part of the same body at lower temperature is called conduction of heat.

True

False

The heat received by a body due to radiation does not depend on the medium.

True

False

The land and sea breeze are convection currents.

True

False

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