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Physics
Physics
Problem
Which one of the following expressions represents the heat absorbed when
m
m
m
kilograms of a substance at its melting point changes completely into liquid at the same temperature? a)
m
c
Δ
T
mc\Delta T
m
c
Δ
T
b)
Q
m
Δ
T
\dfrac{Q}{m\Delta T}
m
Δ
T
Q
c)
m
L
mL
m
L
d)
m
c
Δ
T
+
m
L
mc\Delta T + mL
m
c
Δ
T
+
m
L
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