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  1. The electroplating of a metallic article
  2. In compact porous soil, the rising of the water is due to
  3. The attraction between similar molecules is called
  4. On the Kelvin scale, the melting point of ice is
  5. Heat transfer
  6. A bullet is fired at a certain angle with the horizontal. Its path will be
  7. The end product in the uranium disintegration series is
  8. When a bowler spins a ball, it changes its direction in the air. This is due to
  9. The attraction of unlike molecules at the common surface is known as
  10. When light passes from air to glass, its velocity in glass
  11. Cyclotron is an apparatus used
  12. Alpha particles are
  13. The cover of a solar cooker is made of glass because
  14. The force that keeps a body in a circular motion la called
  15. Photoelectric cell is a device which converts
  16. Warm air will hold more water vapour than cold air because
  17. Tea pots are highly polished
  18. In a longitudinal wave, the direction of propagation of the wave is
  19. To produce beats it is necessary to have two waves
  20. Out of the following which element has the longest half-life period?
  21. When light travels from one medium to another there is a change in its
  22. Compared to the atomic bomb, the destructive power of a hydrogen bomb is
  23. Which of the following apparatus is used in the electrolysis of water?
  24. In the ramous equation of Einstein E = mc2 , 'c' denotes.
  25. The number of electrons in the outer orbits of a nucleus gives
  26. Nuclear fusion is a process in which
  27. Less dew is formed on cloudy nights because
  28. Which part of the eye photographic camera?
  29. The fact that two large ships travelling on close parallel courses in the same direction tend to move…
  30. An electric fan converts