Questions
The coefficient of linear expansion of glass is and cubical expansion of mercury is . The volume of the bulb of mercury thermometer at 0°C is V0 and cross section of the capillary is Ao. What is the length of mercury column in capillary at if the mercury just fills the bulb at O°C ?
detailed solution
Correct option is B
Expansion of mercury =V0γmTExpansion in glass bulb =V03αgTApparent expansion in mercury,=V0γmT−V03αgT∴ Δl=V0γmT−V03αgTA01+2αgTLength of mercury column in capillary ish=Δl=V0TA0γm−3αg1+2αgTTalk to our academic expert!
Similar Questions
A vessel having coefficient of cubical expansion contains liquid Of coefficient of real expansion rR up to certain level. When Vessel
Is heated, match column I and column II.
Column - I | Column - II | ||
a | p | liquid level rises continuously from beginning | |
b | q | liquid level falls continuously from beginning | |
c | r | liquid level remains same | |
d | s | liquid level first falls and then rises |
a | b | c | d | |
1 | s | r | q | p |
2 | s | r | p | q |
3 | q | r | s | p |
4 | r | q | p | s |
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