Home

The velocity required to place a vehicle in orbit round the moon is _________ that required to place it in orbit round the earth.

A. less than

B. greater than

C. equal to

D. greater than or equal to

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

You can do it
  1. The mass number and the atomic number of an element are X and Y respectively. The number oC neutrons…
  2. For accurate scientific work, temperatures are often measured by
  3. The leader of the team who succeeded in constructing the first nuclear reactor (an atomic pile) in the…
  4. A pressure gauge for fluids is called
  5. When a particle in motion is acted upon by a force in a direction perpendicular to the direction of…
  6. Which of the following is wrongly matched?
  7. In experiments on static electricity the standard method for obtaining small amounts of positive electricity…
  8. The maximum range of most TV signals is from 121 to 240 km only because
  9. When the resistance of a circuit increases the current will
  10. Diamond shines because of its
  11. The sun continuously produces an enormous amount of energy. This la due to
  12. Choose the scalar quantity from the following physical quantities
  13. The Cact that the compass needle does not point true north was observed first by
  14. Which force is used when milk is churned to separate cream?
  15. A person cups his hand around the mouth when shouting. Why?
  16. The phenomenon of radioactivity was discovered by
  17. The velocity of sound in a medium is
  18. If an empty cylinder Is half ruled with a liquid, Its centre of gravity is
  19. It is difficult to bon potatoes at the top or a mountain because
  20. To produce beats it is necessary to have two waves
  21. Which of the following is known as freon?
  22. The transistor was invented by
  23. An integrated circuit la more advantageous than a conventional circuit because
  24. Which of the following is fissionable?
  25. Commonly used safety fuse wire is made of
  26. Which of the following is not electromagnetic waves?
  27. When a ship floats on water, the weight or water displaced is
  28. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water
  29. Echoes are produced by
  30. Out of the following, name the fluorescent substance.