Home

A pair of stars that revolve round each other is

A. a neutron star

B. a binary star

C. a dwarf star

D. a polar star

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

You can do it
  1. If a body weight 12N on the surface of the earth, how much will it weigh on the surface of the moon…
  2. A star contains
  3. Commonly used safety fuse wire is made of
  4. Echoes are produced by
  5. Stars twinkle because of
  6. Increase in pressure
  7. Sound travels fastest in
  8. Which of the following wires of same dimensions offers least resistance to the ,flow of current?
  9. Air pressure is usually highest when the air is
  10. Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water
  11. When a body is immersed in a fluid the force of buoyancy of the fluid on the body depends on
  12. X-rays were discovered by
  13. When a bowler spins a ball, it changes its direction in the air. This is due to
  14. When are temperature resistance
  15. The period of oscillation of a simple pendulum depends upon
  16. The heating element often used in an electric iron is
  17. A stationary elevated object has
  18. Which of the following is fissionable?
  19. Of the following types of electromagnetic radiation which has the longest wavelength?
  20. Mica is used in an electric iron because it is a
  21. Isotones are species of atoms containing
  22. The stars that shine brightly then dimly and then brightly are known as
  23. Drinks kept in a vacuum flask remain hot or cold as the case may be for a long time because
  24. A device used to measure heights above sea level is known as
  25. A series of east moving still pictures can be made to appear as a moving picture because the eye
  26. A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps
  27. A projectile is fired at an angle with the horizontal with a small velocity. Its horizontal range will…
  28. Resistance is measured in
  29. What la the minimum velocity required for a rocket to overcome earth's gravity and travel into space?
  30. Which of the following revolves round the nucleus in an atom?