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In summer, a mild wind is often found on...

In summer, a mild wind is often found on the shore of a calm river. This is accused due to

A

Difference in thermal conductivity of water and soil

B

Convection currents

C

Conduction between air and the soil

D

Radiation from the soil

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  2. One end of a metal rod is dipped in boiling water and the other is dip...

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  3. In summer, a mild wind is often found on the shore of a calm river. Th...

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  4. Three discs, A, B and C having radii 2 m, 4 m and 6 m respectively are...

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  5. Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atm...

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  6. In which of the following process, convection does not take place prim...

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  7. Heat is associated with

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  8. 'Gulab Jamuns' (assumed to be spherical) are to be heated in an oven. ...

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  9. A manufacturer wishes to design a thermo meter so that the mercury mus...

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  10. In which of the following pairs of temperature scales, the size of a d...

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  11. Pick up the correct statement a) Sun's temperature is measured by a ...

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  12. Mark the correct options: a) A system X is in thermal equilibrium wi...

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  13. When a rod is heated, its linear expansion depends on (a) Initial le...

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  14. The numerical value of coefficient of linear expansion is independent ...

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  15. Expansion during heating (a) occurs in solids only (b) causes decr...

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  16. When a copper solid sphere is heated, its (a) moment of inertia incr...

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  17. Due to thermal expansion with rise in temperature (a) Metallic scale...

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  18. Which of the following statements are true a) Rubber contracts on he...

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  19. When a metal ring having some gap is heated a) length of gap increas...

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  20. When a liquid in a vessel is heated its level (a) will increase (b...

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