$Assertion :$ Thermodynamic process in nature are irreversible.
$Reason :$ Dissipative effects cannot be eliminated.
$Reason :$ Dissipative effects cannot be eliminated.
AIIMS 2004, Easy
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Most of the phenomenon in nature is irreversible. A process becomes irreversible in case some energy is converted into heat energy. This is known as dissipative effect. When there is dissipative effect, process becomes irreversible.
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