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A ball is made of a material of density `rho` where `rho_(oil) lt rho lt rho_("water")` with `rho_(oil) and rho_("water")` representing the densities of oil and water, respectively. The oid and water are immiscible. If the above ball is in equilibrium in a mixture of this oil and water, which of the following pictures represents its equilibrium position?

A

B

C

D

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The correct Answer is:
C
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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 5 A (Previous year Questions)
  1. A spherical solid ball of volume V is made of a material of density rh...

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  2. A jar filled with two non mixing liquids 1 and 2 having densities rho(...

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  3. A capillary tube (I) is dipped in water. Another identical tube (II) ...

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  4. A spherical solid ball of volume V is made of a material of density rh...

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  5. Two wires are made of the same material and have the same volume .The...

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  6. A ball is made of a material of density rho where rho(oil) lt rho lt r...

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  7. Water is flowing continuously from a tap having an internal diameter ...

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  8. Work done in increasing the size of a soap bubble from a radius of 3 c...

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  9. Two mercury drops each of radius r merge to form a bigger drop. Calcul...

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  10. if a ball of steel (density rho=7.8 g//cm^(3)) attains a terminal velo...

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  11. A thin liquid film formed between a U-shaped wire and a light slider s...

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  12. There is a circular tube in a vertical plane. Two liquids which do not...

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  13. On heating water, bubbles being formed at the bottom of the vessel det...

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  14. If it takes 5 minutes to fill a 15 litre bucket from a water tap of di...

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  15. If two glass plates have water between them and are separated by very ...

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  16. Consider a water jar of radius R that has water filled up to height H ...

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  17. A uniformly tapering conical wire is made from a material of Young's m...

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  18. A simple pendulum made of bob of mass m and a metallic wire of neglig...

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  19. Which of the following option correctly describes the variation of the...

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  20. A bottle has an opening of radius a and length b. A cork of length b a...

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