The length of an iron and zinc rod is 25.5 cm and 25.5 cm at 0 degree Celsius. At what temperature will their length be equal?
Answers
Answer:
Initially both scale and rod will be at zero so iron scale will give correct radially at 100C both will expand.
Let the length of iron and zinc rod at 0
o
c
length of zinc rod at temperature (t)100
o
C when measured by sacle that its self undergoes thermal expansion is given as
=L
z
t=L
z0
[1+(a
z
−α
I
)t]
=100[1+(2.6×10
−5
−1.2×10
−5
)100]
=100[1+[1+(1.4×10
−3
)]
=100[1+0.0014]
=100[1.0014]
=100.14cm
Answer:
Initially both scale and rod will be at zero so iron scale will give correct radially at 100C both will expand.
Let the length of iron and zinc rod at 0
o
c
length of zinc rod at temperature (t)100
o
C when measured by sacle that its self undergoes thermal expansion is given as
=L
z
t=L
z0
[1+(a
z
−α
I
)t]
=100[1+(2.6×10
−5
−1.2×10
−5
)100]
=100[1+[1+(1.4×10
−3
)]
=100[1+0.0014]
=100[1.0014]
=100.14cm
OK clear bro.
Explanation:
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