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Eleventh Grade (Grade 11) Light and Optics Questions

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Grade 11 Light and Optics
When a light ray moves from air into glass at an angle that is not parallel to the normal, its path is                           .
  1. bent toward the normal.
  2. bent away from the normal.
  3. parallel to the normal.
  4. not bent.
Grade 11 Light and Optics
If a light ray strikes a mirror at 75 degrees, at what angle will it reflect back?
  1. 25 degrees
  2. 15 degrees
  3. 75 degrees
  4. 90 degrees
Grade 11 Light and Optics
If the distance from a light source is increased by a factor of 4, the illuminance                                 .
  1. also increases by a factor of 4.
  2. decreases by a factor of 16.
  3. increases by a factor of 16.
  4. decreases by a factor of 4.
Grade 11 Light and Optics
Red light and blue light have different foci when travelling through a converging lens. This is known as                      .
  1. spherical aberration.
  2. chromatic aberration.
  3. diffuse reflection.
  4. electron spin.
Grade 11 Light and Optics
What is used to rectify spherical aberration?
  1. achromatic doublets
  2. parabolic mirrors
  3. spherical mirrors
  4. prism
Grade 11 Light and Optics
Which statement best explains the difference between light waves traveling through a vacuum and light waves traveling through a medium?
  1. Light waves traveling through a vacuum are transverse, but light waves traveling through a medium are longitudinal.
  2. Light waves traveling through a vacuum travel faster than light waves traveling through a medium.
  3. Light waves traveling through a vacuum have no mass, but light waves traveling through a medium have a mass greater than zero.
  4. Light waves traveling through a vacuum have a shorter wavelength than light waves traveling through a medium.
Grade 11 Light and Optics
Which of the following best determines the amount of energy of a single photon of light?
  1. The speed of the photon
  2. The frequency of the photon
  3. The material the photon moves through
  4. The time it takes the photon to reach a destination
Grade 11 Light and Optics

This question is a part of a group with common instructions. View group »

If ∠d=54°, what is the measure of the angle of reflection?
  1. 144°
  2. 54°
  3. 108°
  4. 36°
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