Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

light question help required?

when a blue light source is placed at the center of a solid glass cube, a circular spot of light appears on a white screen in front of the cube. if the blue light source is replaced by a red light source the spot appears as a square.

10 points for first correct answer

1 Answer

Relevance
  • 10 years ago
    Favorite Answer

    Blue Light waves have a high frequency and hence do not spread much and therefore a circular spot is obtained on the screen.

    Red Light waves have a lower frequency than blue light waves and hence spread out. The square is obtained as a result of this spreading of light.

Still have questions? Get your answers by asking now.