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10/03/2022
Which one is correct??
The change in entropy of the carnot engine is
a) +ive
b) _ive
c) zero
d) none
Light is
a) EM in nature
b) Transverse in nature
c) speed = c
d), All
According to Huygen's light is
a) Dual in nature
b) particle in nature
c) wave in nature
d) None
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