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question mark

A capillary tube is inserted inside two liquids of varying density as shown in the attached image
Please help me to find out surface tension?

Muthukrishnan , 8 Years ago
Grade 11
anser 1 Answers
Arun
In the given figure:-
ρ 
∘
​ 
 +ρ 
1
​ 
 gh−ρ 
2
​ 
 gh+ 
r
2s
​ 
 =ρ 
∘
​ 
 
Hence,
S= 
2
r(ρ 
2
​ 
 −ρ 
1
​ 
 )gh
​ 
 
​ 
 
∴ option C is correct answer
Last Activity: 5 Years ago
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