One kilogramme force is the force due to gravity on a mass of
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Q2
A metal ball falls from a height of 42 metre on to the ground. Find the change in its temperature, assuming that its
entire kinetic energy changes to heat and half of this heat is absorbed by it. the specific heat capacity of the metal =
420 joules/kilogramme
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Q3
the number of electron in 8gm h2s are
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Q4
A solution containing 8gm of a substance in 100gm of diethyl ether at 36.86 ^Ā°centigrat where as pure ether boil it 36.60 ^Ā°C determine the molecular mass of solute. ( Kb for ether 2.02 K Kg/mol