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An astronomical unit of distance is

A. a kilometre

B. light year

C. the average distance from the earth to the sun

D. None of the above

You can do it yup
  1. When a particle in motion is acted upon by a force in a direction perpendicular to the direction of…
  2. Primary colours are
  3. Mercury does not stick to glass because
  4. Frictional force acts in
  5. When light travels from one medium to another there is a change in its
  6. In a dynamo
  7. When one enters a dark room after being in bright light one is not able to see anything clearly for…
  8. The image of an object formed on the retina of the eye is
  9. A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left…
  10. Air escaping rapidly from a narrow orifice in an inflated tyre feels cool because
  11. Astigmatism, a structural defect of the eye, is due to
  12. The phenomenon of spontaneous disintegration of certain heavy nuclei is termed
  13. If the speed of the rotation of the earth increases the weight of a body
  14. The direction of heat flow between two objects depends on
  15. When a body is partly or wholly immersed in a liquid the apparent loss of weight is equal to the weight…
  16. The cell that can be recharged, after it has run down, by passing a direct current through it from a…
  17. A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside…
  18. The heat produced in a conductor due to the passage of a current through it is proportional to
  19. When a body Is taken to the poles from the equator, Its weight becomes
  20. The pressure of air at high altitude is less than the atmospheric pressure at the sea level. Hence the…
  21. Which metal is used in storage batteries?
  22. Meteors
  23. A nuclear reactor is said to have become 'critical' when
  24. For viewing objects placed at a higher level from a position at a lower level, the instrument used'…
  25. The speed at which light travels in vacuum is
  26. A person cups his hand around the mouth when shouting. Why?
  27. The unit of power in SI is
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    When water is cooled from 4C to 2C its density
  29. Some persons are not able to see distant objects clearly because the image of the object is focused…
  30. The principle on which a Jet engine works is