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Subject :NSO    Class : Class 7

Two rods of equal length are heated at one end. Rod P is made up of iron and rod Q is made up of wood. After sometimes, the far end of rod P becomes hot, while the far end of rod Q remains cool. Which option correctly explains this observation?

A Convection is faster in iron than in wood.
B Radiation is stronger in iron.
C Iron is a good conductor of heat, while wood is a poor conductor.
D Wood absorbs less heat from the flame.


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