Sample multiple-choice questions for light and optics unit.
Questions: 15 | Attempts: 11749 | Last updated: Jan 6, 2021
A light ray has an angle of incidence of 34º. The reflected ray will make what angle with the reflecting surface?
Questions: 10 | Attempts: 8776 | Last updated: Jul 12, 2021
Do you feel like you have a higher purpose but can't put your finger on it?
Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700...
Questions: 20 | Attempts: 8720 | Last updated: Aug 5, 2021
Light is best described as a: