The speed of light with the rise in the temperature of the medium

A. Increases

B. Remains unaltered

C. Drops sharply

D. Decreases

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  1. Apparatus invented by Archimedes is :
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  4. In an atomic nucleus, neutrons and protons are held together by
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  6. Which of the following elements is non-radioactive?
  7. Epoxy resins is used as
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  18. The recent atomic weight scale is based on
  19. The hardest substance available on earth is
  20. The location and energy of an electron in an atom can be specified by
  21. The speed of light with the rise in the temperature of the medium
  22. The Panda belongs to the same family as that of
  23. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  24. Bromine is
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  26. Brass gets discoloured in air due to the presence of which gas in air
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