The filament lamp is an example for

A. fluorescence

B. incandescence

C. both (a) and (b)

D. None of these

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

You can do it
  1. In the case of bodies falling under gravity which of the following remains constant at a given place?
  2. Why is it cool near an open pond on a hot summer day?
  3. Of the following which has got the highest frequency?
  4. A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water…
  5. Which force is used when milk is churned to separate cream?
  6. Railway tracks are banked on curves so that
  7. Air pressure is usually highest when the air is
  8. A lightning conductor installed in a building
  9. Solids have definite shapes. This is because
  10. If a body is taken from the earth to the moon
  11. Raindrops assume a spherical shape because or
  12. Radio waves sent out by radio stations are reflected by
  13. The electron has a mass equal to
  14. How is it that Pluto is not always the farthest planet of the solar system?
  15. Every action has an equal and opposite reaction is Newton's law of Motion
  16. The mode of travel of heat energy from the sun across the empty space beyond the earth's atmosphere…
  17. Lightning is produced when
  18. If a body weight 12N on the surface of the earth, how much will it weigh on the surface of the moon…
  19. The planet that is known as earth's twin is
  20. When an electric apparatus is fitted with a three core flexible lead the insulation on the three wires…
  21. The inability of a body to change its state of rest or uniform motion along a straight line is called…
  22. When ice just melts
  23. Primary colours are
  24. A proton is
  25. Tea pots are highly polished
  26. The heat produced in a conductor due to the passage of a current through it is proportional to
  27. Commonly used safety fuse wire is made of
  28. The resistance of a wire depends on
  29. A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point…
  30. A pair of stars that revolve round each other is