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An aluminium sphere is dipped into water...

An aluminium sphere is dipped into water. Which of the following is true ?

A

Buoyancy will be less in water at `0^(@)C` than that in water at `4^(@)C`.

B

Buoyancy will be more in water at `0^(@)C` than that in water at `4^(@)C`.

C

Buoyancy in water at `0^(@)C` will be same as that in water at `4^(@)C`.

D

Buoyancy may be more or less in water at `4^(@)C` depending on the radius of the sphere.

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
  1. Which of the following behaves like water between 0^(@)Cand4^(@)C.

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  2. An aluminium sphere is dipped into water at 10^(@)C. If the temperatur...

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  3. An aluminium sphere is dipped into water. Which of the following is tr...

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  4. Density of liquid at any temperature 't' is given by d(t)=d(0)//(1+g t...

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  5. A block of wood is floating on water at 0^(@)C with certain volume 'p'...

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  6. Coefficient of volume expansion of a vessel is greater than the liquid...

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  7. A liquid with coefficient of volume expansion gamma is filled in a con...

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  8. When a liquid is heated in a vessel, it is found that g(R) is less tha...

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  9. In an experiment it is observed that for a liquid gamma("Abs")=gamma("...

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  10. When a liquid is taken in a long cylindrical vessel of material, with ...

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  11. A metal ball immersed in alcohol weighs w(1) at 0^(@)Candw(2)" at "50^...

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  12. A solid is suspended in a liquid. If the liquid is heated, the solid (...

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  13. When water is heated from 0^(@)C to 10^(@)C, its volume

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  14. Apparent expansion of liquid does not depend on

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  15. Volume coefficient of expansion of water is

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  16. Among the following , the liquid having negative coefficient of cubica...

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  17. In cold countries, water does not freeze at the bottom of a lake in wi...

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  18. The surface water in a lake is going to freeze. Now the temperature of...

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  19. Water at 4^(@)C is filled to the brim of two beakers A and B of glass ...

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  20. A small stone is inside a ice block which floats in water. When the ic...

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