Home

Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.

A. rough white

B. rough black

C. shining white

D. shining black

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

You can do it
  1. Like magnetic poles
  2. The rocket engine is motivated by jet propulsion which uses the famous
  3. If a body is taken from the earth to the moon
  4. The filament lamp is an example for
  5. When a light ray is reflected repeatedly by a set of parallel plane mirrors, the intensity of light…
  6. The Indian Space Research Organisation (ISRO) is located at
  7. The extremely luminous objects located at the centre of some distant galaxies and which are sources…
  8. In the case of bodies falling under gravity which of the following remains constant at a given place?
  9. Body A is kept in contact with body B. Heat will flow from A to B if
  10. To concentrate light on the defective teeth, the dentists use
  11. In the nucleus of an atom, the uncharged particle is
  12. The tiniest of the stars belong to the group known as
  13. The spectrum of white light can be studied by
  14. Of the following which has got the highest frequency?
  15. It is difficult to bon potatoes at the top or a mountain because
  16. We cannot see and without the aid of a telescope
  17. Electron-volt is a unit of
  18. Who first established the fact that the earth revolves round the sun?
  19. On the Kelvin scale, the melting point of ice is
  20. X-rays were discovered by
  21. The principle of equivalence of mass and energy was established by
  22. The velocity required to place a vehicle in orbit round the moon is _________ that required to place…
  23. When a body is projected upwards
  24. The property of a fluid by which it resists relative motion within itself is known as
  25. The star nearest to the sun is
  26. Electromagnets are used in
  27. Every action has an equal and opposite reaction is Newton's law of Motion
  28. During thunder storm you are travelling in a car. To protect yourself from the lightning you will have…
  29. SONAR (Sound Navigation Ranging) is
  30. A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift…