Of the following which has got the highest frequency?

A. ultraviolet rays

B. gamma rays

C. radio waves

D. infrared waves

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  1. The neutron, one of the constituent particles of which the nuclei of atoms are composed was discovered…
  2. A pressure gauge for fluids is called
  3. A device used to measure heights above sea level is known as
  4. Lightning is produced when
  5. Which of the following sets of elementary particles have nearly equal masses?
  6. A proton is
  7. The best estimates of the age of the earth comes from the studies of
  8. The mode of travel of heat energy from the sun across the empty space beyond the earth's atmosphere…
  9. If the speed of the rotation of the earth increases the weight of a body
  10. Heat is transmitted from one end of a metal rod to its other end by the method of
  11. In an electrical circuit, a fuse is connected
  12. Of the following which has got the highest frequency?
  13. The mirage is a phenomenon
  14. Which of the following can produce electricity?
  15. Solids have definite shapes. This is because
  16. The attraction of unlike molecules at the common surface is known as
  17. The radius of an atom is approximately
  18. The filament used in the electric lamp is made of
  19. A series of east moving still pictures can be made to appear as a moving picture because the eye
  20. In a dynamo
  21. A person cups his hand around the mouth when shouting. Why?
  22. The largest reserve of radioactive element which can be used in a nuclear reactor has been found in…
  23. Mercury does not stick to glass because
  24. The barometer was invented by
  25. The sun continuously produces an enormous amount of energy. This la due to
  26. A hydraulic brake in an automobile uses
  27. Before the invention of geostationary satellites, television stations could not transmit their programmes…
  28. Which part of the eye photographic camera?
  29. Frictional force acts in
  30. The inability of a body to change its state of rest or uniform motion along a straight line is called…