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Aim

Theory

Self Evaluation

Procedure

Simulation

Assignment

References

Feedback

Heat transfer by Conduction

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Beginner

Intermediate

Advanced

Heat transfer by conduction is poorest in

a: liquids Explanation

Explanation

b: gases Explanation

Explanation

c: both liquids and gases Explanation

Explanation

d: solids Explanation

Explanation

In conduction

a: heat is carried by means of collisions between molecules Explanation

Explanation

b: heat is transferred from one place to another by actual motion of fluid Explanation

Explanation

c: energy is carried by e-m waves emitted by the object Explanation

Explanation

d: all of the above Explanation

Explanation

In SI , the unit of thermal conductivity is

Wm^{-1}K^{-1}

Explanation

Wm^{-1}K^{-2}

Explanation

WmK^{-1}

Explanation

WmK^{-2}

Explanation

Rate of heat conduction is inversely proportional to

a: area Explanation

Explanation

b: temperature gradient Explanation

Explanation

c: thermal conductivity of material Explanation

Explanation

d: thickness of the material Explanation

Explanation

Which one has higher thermal conductivity

a: Air Explanation

Explanation

b: Wood Explanation

Explanation

c: Glass Explanation

Explanation

d: Silver Explanation

Explanation

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