A soap film of surface tension \[3\times {{10}^{-2}}\] formed in a rec – McqOptions

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1.	A soap film of surface tension \[3\times {{10}^{-2}}\] formed in a rectangular frame cam support a straw as shown in Fig. If \[g=10m{{s}^{-12}}\], the mass of the straw is
A.	0.006g
B.	0.06 g
C.	0.6 g
D.	6g
Answer» D. 6g

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