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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A rain drop starts falling from a height of 2 km. If falls with a continuously decreasing acceleration and attains its terminal velocity at a height of 1 km. The ratio of the work done by the gravitational force in the first halt to that in the second half of the drops journey is

A rain drop starts falling from a height of 2 km. If falls with a continuously decreasing acceleration and attains its terminal velocity at a height of 1 km. The ratio of the work done by the gravitational force in the first halt to that in the second half of the drops journey is

A number of droplets combine to form a drop of radius R. If T is the surface tension each of radius `r` the rise in temperature will be