A metal block is volume expansion coefficient y kept on rigid horizontal surface as shown...

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A metal block is volume expansion coefficient y kept on rigid horizontal surface as shown in figure Initially temperature of the block is same as the surrounding Now AQ amount of heat is given to the block If mass of the block is m specific heat capacity of the metal is s then AQ A Temperature of the block increases by amount mis AQ ms B Temperature of the block increases by amount slightly less than C Work done by block on atmosphere is positive D Work done by gravitational force on block is positive

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