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Find incorrect statement

A

Due to viscosity, velocity of flow of water at the surface is more than that at the bottom in a river.

B

Due to vislosity, velocity of flow of water at the surface is less than that at the bottom in a river

C

Velocity gradient = du/dx

D

Viscosity coefficient is related to absolute temperature as `eta = Ae^(E//KT)`

Text Solution

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Flow at surface is max.
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AAKASH SERIES-STATES OF MATTER-LECTURE SHEET - EXERCISE - V (LEVEL - I MAIN)(STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. The inter molecular forces present in inert gases are

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  2. Regarding dipole - dipole attractions the incorrect statement is

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  3. In ion-dipole forces, the magnitude of the interaction energy (E)

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  4. Hydration of different ions is an example of

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  5. If thermal energy predominates over intermolecular forces, then the su...

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  6. A liquid is in equilibrium with its vapours at its boiling point. On t...

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  7. A relation between vapour pressure and temperture is known as

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  8. Find incorrect match

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  9. The surface tension of water at 20°C is 72.75 dyne cm^(-1) . Its value...

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  10. A manifestation of surface tension is :

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  11. On heating a liquid, its surface tension

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  12. Generally liquid drops assume spherical shape because

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  13. Laminar flow of a liquid means

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  14. Find incorrect statement

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  15. In SI system, the units of coefficient of viscosity, eta are

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  16. Poise stands for

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  17. The viscosity of four liquids P, Q, R and S are 85, 11.4, 18 and 12.3 ...

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  18. With rise in temperature of a liquid, the viscosity

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  19. The thickness of window panes of old buildings is more at the bottom t...

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  20. Among the following compounds viscosity is highest for

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