Which of the following pairs is not correct?

A. Television - Baird

B. Transistor ~ Shockley

C. Thermometer - Celsius

D. Barometer Torricelli

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

You can do it
  1. Formation of shadows can be explained by
  2. Which of the following sets of elementary particles have nearly equal masses?
  3. A workman was working on a rail track. A young boy at a distance holds his ear close to the railway…
  4. The mass number and the atomic number of an element are X and Y respectively. The number oC neutrons…
  5. The ozone layer absorbs
  6. In a refrigerator, the refrigerant is
  7. Who discovered that the Cree Call acceleration Is the same for any object at a given place?
  8. A proton is
  9. A star contains
  10. To get 5 images of a single object one should have two plane mirrors inclined at an angle of
  11. The electrical domestic tube light gives white fiourescent light because of
  12. It is easier to climb down a staircase than climb up because in climbing down
  13. A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside…
  14. If you want a sound proof room, the walls should be
  15. Photocells are used
  16. Ultrasonic waves are used
  17. A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks…
  18. When an electric apparatus is fitted with a three core flexible lead the insulation on the three wires…
  19. A bullet is fired at a certain angle with the horizontal. Its path will be
  20. Air pressure is usually highest when the air is
  21. The cell that can be recharged, after it has run down, by passing a direct current through it from a…
  22. Meteors
  23. Skating on ice is possible because
  24. A convex mirror always produces
  25. The theory that the earth constituted the centre of the universe around which the sun and the planets…
  26. Lightning is produced when
  27. In the fuse of an electrical installation blows out
  28. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water
  29. A nuclear reactor is said to have become 'critical' when
  30. The line on earth's surface passing through the places having zero dip is called the magnetic equator.…