A soap film of surface tension 3 × 10-2 formed in a rectangular frame can support a straw as shown in figure.

Q: A soap film of surface tension 3 × 10-2 formed in a rectangular frame can support a straw as shown in figure. If g = 10 ms-12, the mass of the straw is

Numerical

(a) 0.006 g

(b) 0.06 g

(c) 0.6 g

(d) 6 g

Ans: (c)

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