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A soap film of surface tension 3 xx 10^(...

A soap film of surface tension `3 xx 10^(-2)N//m` formed in a rectangular frame can support a straw as shown in Fig. If `g = 10 ms^(-2)`, the mass of the straw is

A

0.006 g

B

0.06 g

C

0.6 g

D

6 g

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The correct Answer is:
C
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