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Two rain drop reach the earth with their...

Two rain drop reach the earth with their with the terminal velocity in the ratio 4 :9 . The ratio of their radii is

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SL ARORA-Mechanical Properties of fluids-Exercise
  1. The backward viscous force acting on a small spherical body falling th...

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  2. The terminal velocity of a sphere of radius R, falling in a viscous fl...

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  3. Two rain drop reach the earth with their with the terminal velocity in...

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  4. A solid rubber ball of density d and radius R falls vertically through...

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  5. The terminal velocity isproportional to the coefficient of viscosity o...

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  6. The maximum value of flow of liquid for which the motion remains strea...

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  7. is a dimensionless parameter which decides the nature of flow of liqui...

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  8. Reynold's number represents the ratio of the force per unit area to th...

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  9. Equation of continuity is a special case of the law of conservation of

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  10. is a fundamental principle of fluid dynamics based on the law of conse...

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  11. For the streamline flow of an ideal fluid flowing horizontally, the pr...

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  12. A device used for measuring the rate of flow of liquid through pipes i...

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  13. The maximum distance upto which a molecule can exert some measurable a...

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  14. The surface of a liquid has tendency to contract and minimise surface...

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  15. If the surface tension of a liquid is T , the gain in surface energy f...

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  16. The surface tension of a liquid with rise of temperature.

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  17. A square wire frame of size L is dipped in a liquid . On taking out ,...

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  18. Surface tension of a liquid is numerically equal to

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  19. What is the work done in blowing a soap bubble of radius r and surface...

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  20. If work W is done in blowing a bubble of radius R from a soap solution...

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