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In compact porous soil, the rising of the water is due to

A. capillarity

B. cohesion

C. adhesion

D. viscosity

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  2. For detecting and, testing of small electric charges we use
  3. The heat generated in a conductor carrying current is proportional to
  4. Of the following which has got the highest frequency?
  5. Alternating Current (AC) is more advantageous than direct current because
  6. Photoelectric cell is a device which converts
  7. An electric fan converts
  8. Photo-electric cells convert
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  16. The hygrometer is an apparatus used for finding the
  17. Why is nuclear fusion also known as thermonuclear reaction?
  18. A lactometer la used to
  19. A hydraulic brake in an automobile uses
  20. When an electric apparatus is fitted with a three core flexible lead the insulation on the three wires…
  21. When temperature decreases, resistance of metals to flow of electricity
  22. Gamma radiations are used for
  23. In a refrigerator cooling is produced by
  24. How is it that Pluto is not always the farthest planet of the solar system?
  25. A radio set that uses valves does not start operating immediately when it is switched on whereas a set…
  26. The focal length or lens or the eye is under the control or the
  27. To produce beats it is necessary to have two waves
  28. Formation of shadows can be explained by
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