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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 14 - Fluid Mechanics > A thin liquid film formed between a U-shaped wire and a light slider supports a weight of 1.5×10^−2N (see figure). The length of the slider is 30cm and its weight negligible. The surface tension of the liquid film is

A thin liquid film formed between a U-shaped wire and a light slider supports a weight of 1.5×10^−2N (see figure). The length of the slider is 30cm and its weight negligible. The surface tension of the liquid film is

3 different shapes are gives. Identify the combination of air resistances which truly represents the physical situation. (the cross sectional areas are the same). the resistance of air depends to a great extent on the shape of the body When a body falls in air