Home

What la the minimum velocity required for a rocket to overcome earth's gravity and travel into space?

A. 18 km/sec

B. 11.2 km/ sec

C. 21 km/ sec

D. 35 km/ sec

You can do it yup
  1. How is it that Pluto is not always the farthest planet of the solar system?
  2. The power of a lens is
  3. Light from the sun reaches the earth in
  4. Which of the following revolves round the nucleus in an atom?
  5. Ultrasonic waves are used
  6. When one enters a dark room after being in bright light one is not able to see anything clearly for…
  7. The mirage is a phenomenon
  8. A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift…
  9. The distance between two bodies is halved. Now the force of attraction between them will be
  10. The resistance of a wire depends on
  11. Which of the following is not electromagnetic waves?
  12. The function of a ruse wire is
  13. We always see only one side of the moon because
  14. Sound waves
  15. Echoes are produced by
  16. The following are the atmospheric zones above the surface of the earth:A) Troposphere B) IonosphereC)…
  17. When an electric apparatus is fitted with a three core flexible lead the insulation on the three wires…
  18. Railway tracks are banked on curves so that
  19. Pyrometers are instruments used
  20. Diamond shines because of its
  21. The planet that moves fastest around the sun is
  22. The star nearest to the sun is
  23. Alternating Current (AC) is more advantageous than direct current because
  24. The inability of a body to change its state of rest or uniform motion along a straight line is called…
  25. Gamma radiations are used for
  26. In hot climatic conditions, the buildings are painted white because
  27. The first Indian Satellite launched from a Russian Cosmodrome on April 16, 1975 was named
  28. The difference between planets and stars is
  29. When a charged rod is brought near a collection of small pith balls, the balls
  30. The source of electric energy in an artificial satellite is