Q) volume expansion is 18 a thermometer has volume 2 and crosssection 0.002 .if bulb is filled with mercury at 0 c then increase in length of mercury coulmn at 100 c will be
A) Here it seems units are arbitrary.
V = 18
V = 2
A = 0.002
Therefore =
V = A
L,
where
L is increase in length,
so
L =
V/A = 18/0.002 = 9000 units
Moderation Team
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