Gamma radiations are used for

A. sterilising food stuff

B. controlling pests

C. cancer therapy

D. All of these

Related Questions

  1. An integrated circuit la more advantageous than a conventional circuit because
  2. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water
  3. When a whistling engine approaches a person standing on the platform, the frequency or the note
  4. The sun continuously produces an enormous amount of energy. This la due to
  5. The unit of heat energy is
  6. The period of a geostationary (synchronous) satellite orbiting the earth over the equator la
  7. Mercury does not stick to glass because
  8. No current will flow between two charged bodies if they have the same
  9. Nichrome is used in electric heaters and irons because
  10. In the fuse of an electrical installation blows out
  11. Heat is transmitted from one end of a metal rod to its other end by the method of
  12. The velocity of sound in air increases with
  13. Pyrometers are instruments used
  14. One finds it more difficult to walk on ice than on a concrete road because
  15. Of the following types of electromagnetic radiation which has the longest wavelength?
  16. Sound waves In 'air travel faster if
  17. The attraction of unlike molecules at the common surface is known as
  18. The frequency of an ultrasonic wave is
  19. The earth's nearest neighbour in space is
  20. A star contains
  21. Some persons are not able to see distant objects clearly because the image of the object is focused…
  22. The hygrometer is an apparatus used for finding the
  23. In a microphone
  24. The maximum displacement of the particle in a mechanical wave motion is known as
  25. Chronometer la an instrument to measure
  26. Mercury is used in a barometer because
  27. Solids have definite shapes. This is because
  28. Which mirror is used as a rear view mirror in Vehicles?
  29. Besides protons, the nucleus of an atom contains
  30. The method used to separate aluminium from a alumina is

Please do not use chat terms. Example: avoid using "grt" instead of "great".