The Milky Way is

A. the path of a star which is nearest to the earth

B. a galaxy which includes the sun

C. a star that is nearest to the earth

D. None of these

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  1. The speed of light is minimum while passing through
  2. Which of the following sets of elementary particles have nearly equal masses?
  3. Red Light is used as a dancer signal because
  4. Under similar conditions of temperature and pressure, the velocity of sound is maximum in
  5. A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks…
  6. The source of electric energy in an artificial satellite is
  7. Heat transfer
  8. Which physical quantity is measured in watts
  9. Who first established the fact that the earth revolves round the sun?
  10. Velocity of sound in high altitudes is low because at such a height
  11. The heat generated in a conductor carrying current is proportional to
  12. The planet that has got a well-developed set of rings is
  13. The loudness of a sound is determined by
  14. The unit of power in SI is
  15. The weight of a body is
  16. When a body is projected upwards
  17. The method used to separate aluminium from a alumina is
  18. It is more difficult to walk on ice than on a concrete road because
  19. The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because
  20. The largest reserve of radioactive element which can be used in a nuclear reactor has been found in…
  21. Rays similar to X-rays but of smaller wave length that are given off by radioactive substances are
  22. The cell that can be recharged, after it has run down, by passing a direct current through it from a…
  23. A wire conveying a current deflects a pivoted magnetic needle. This was discovered by
  24. The neutron, one of the constituent particles of which the nuclei of atoms are composed was discovered…
  25. The red colour of the setting sun is due to
  26. To produce beats it is necessary to have two waves
  27. Increase in pressure
  28. The air inside an electric, bulb is removed to prevent
  29. A device used to measure heights above sea level is known as
  30. At what temperature do the Fahrenheit and Kelvin scales give the same reading?