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Heat and Thermodynamics question

2011 · Shift 0 · Q68

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JEE Main
Physics
Heat and Thermodynamics
2011 · Shift 0 · Q68

Heat and Thermodynamics question

2011 · Shift 0 · Q68

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1

100g

of water is heated from

{30^ \circ }C

to

{50^ \circ }C

. Ignoring the slight expansion of the water, the change in its internal energy is (specific heat of water is

4184J/kg/K

):

A
$8.4kJ$
B
$84kJ$
C
$2.1kJ$
D
$4.2kJ$

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