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Acoustics' la a branch or study dealing with

A. historical sites

B. architecture

C. sound

D. trigonometry

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. In compact porous soil, the rising of the water is due to
  2. Two tumblers stuck together can be separated by
  3. Mica is used in an electric iron because it is a
  4. In which of the following will a piece of iron weigh most?
  5. Galaxies emit
  6. For accurate scientific work, temperatures are often measured by
  7. The speed of light is minimum while passing through
  8. A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it…
  9. Sound waves In 'air travel faster if
  10. A hydraulic brake in an automobile uses
  11. Halley's comet appears in the heavens once in
  12. A lightning conductor installed in a building
  13. The direction of heat flow between two objects depends on
  14. When a body is partly or wholly immersed in a liquid the apparent loss of weight is equal to the weight…
  15. At what temperature do the Fahrenheit and Celsius scales give the same reading?
  16. To concentrate light on the defective teeth, the dentists use
  17. A hydrogen bomb is based on
  18. It is difficult to bon potatoes at the top or a mountain because
  19. Fish and other aquatic creatures can live inside a deep frozen pond because
  20. The asteroids belt lies between the orbits of
  21. Solar radiation is preferred to other sources of energy because
  22. The attraction of unlike molecules at the common surface is known as
  23. The force that keeps a body in a circular motion la called
  24. Which of the following is fissionable?
  25. An electric fan converts
  26. Sound travels fastest in
  27. The evaporation rate depends on
  28. The earth's nearest neighbour in space is
  29. The difference between planets and stars is
  30. Less dew is formed on cloudy nights because