(1)
Surface tension of a soap solution is 1.9 × 10-2 N/m. work done in blowing a bubble of 2.0 cm diameter will be
Answer: 15.2 × 10-6 p J
Answer: 15.2 × 10-6 p J
Answer: 74 × 10-7 J
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Answer: Is less than just above it
Answer: An obtuse one
Answer: Surface tension
Density of iron =7.7X103 kg/m3
Density of mercury = 13.6X103 kg/m3
Which one of the following is true
Answer: The weight of the mercury cube is 16.632 g
Answer: 12.5 × 10-2 m
Answer: Remains unchanged
Answer: Is zero
Answer: 10 g
Answer: 0°
Answer: The work done per unit area in increasing the surface area of a liquid under isothermal condition
Answer: 1 cm
Answer: Atmospheric pressure
Answer: The liquid will wet the solid
Answer: 6 cm
Answer: 1.88 × 10-2 J
Answer: Convex
Answer: Surface tension
Answer: 2.0 × 10-3 m
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