Tag: science & technology

Questions Related to science & technology

  1. In the mother's body

  2. Ancient stars

  3. The food the mother eats before giving birth

  4. The earth


Correct Option: B
  1. Held together by electrical forces

  2. Invisible

  3. Mostly empty space themselves

  4. Not as close together as they could be


Correct Option: C

An excited atom decays to its ground state and emits a photon of green light. If instead, the atoms decays to an intermediate state, then the light emitted could be:

  1. Violet

  2. White

  3. Black

  4. Red


Correct Option: D