A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle

A. at the lower elevation than the bird

B. at a higher elevation than the bird

C. in the same direction as the bird

D. vertically upwards

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  1. The presence of impurities
  2. Air escaping rapidly from a narrow orifice in an inflated tyre feels cool because
  3. The end product in the uranium disintegration series is
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  5. Formation of shadows can be explained by
  6. A proton is
  7. In compact porous soil, the rising of the water is due to
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  14. A ruse wire is characterised by
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  16. The mass number and the atomic number of an element are X and Y respectively. The number oC neutrons…
  17. When a charged rod is brought near a collection of small pith balls, the balls
  18. Mica is used in an electric iron because it is a
  19. The shadow below a tree has bright spots in it because
  20. The numerical reading of the Fahrenheit thermometer of a given temperature
  21. Choose the scalar quantity from the following physical quantities
  22. A car parked in the sun with its windows closed gets terribly hot inside. This is due to
  23. We see the flash of lightning before hearing the thunder because
  24. The unit of power in SI is
  25. If a band is played on the moon the sound will
  26. The stars that shine brightly then dimly and then brightly are known as
  27. A piece of ice is Boating In water kept in a beaker. When all the ice melts the level of water will
  28. A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift…
  29. When a steel ball is placed on the surface of mercury, it does not sink because
  30. The atmosphere gets heated up mainly by