Tag: science & technology

Questions Related to science & technology

  1. Black hole is a very high density compact mass which bends the space-time curve in such a manner that not even light can escape from it.

  2. A bright star after completing its life becomes a black hole.

  3. A very bright and dense lump of mass whose gravitation is strong enough to let nothing escape from it.

  4. none of these


Correct Option: A
  1. a very shining dot in sky.

  2. a blck dot among countless shining stars

  3. a reddish dot in sky

  4. like a star only but it doesn't twinkle.


Correct Option: B
  1. Sir Newton

  2. Aryabatta

  3. Galelio

  4. Prof Radhakrishan


Correct Option: A