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Light and Optics Questions - All Grades

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Grade 8 Light and Optics
What type of microscope uses a beam of electrons for higher magnification and resolution?
  1. Light microscope
  2. Scanning tunneling microscope
  3. Electron microscope
  4. Refracting microscope
Grade 3 Light and Optics
Grade 8 Light and Optics
What happens when light bounces off an object and strikes a mirror?
  1. The object disappears
  2. The light is reflected again
  3. The mirror absorbs the light
  4. The light is refracted
Grade 8 Light and Optics
Grade 1 Light and Optics
When light is pointed at a mirror it
  1. makes a rainbow.
  2. reflects.
  3. goes through it.
Grade 8 Light and Optics
Which type of reflection occurs when light waves strike a smooth and polished surface?
  1. Regular reflection
  2. Diffuse reflection
  3. Refractive reflection
  4. Irregular reflection
Grade 8 Light and Optics
Which of the following has the higher frequency?
  1. Visible light waves
  2. X-rays
  3. Radio waves
  4. Gamma rays
Grade 12 Light and Optics
What occurs when the angle of incidence of a light ray is greater than the critical angle?
  1. critical refraction
  2. total internal reflection
  3. total external reflection
  4. dispersion
Grade 8 Light and Optics
Grade 8 Light and Optics
What type of images do concave lenses form?
  1. Real images
  2. Enlarged images
  3. Virtual images
  4. Focal images
Grade 1 Light and Optics
Grade 9 Light and Optics
A man can see near objects clear but distance objects blurred. What can be done to correct this condition of vision?
  1. Wearing glasses with concave lenses
  2. Wearing glasses with convex lenses
  3. Using a magnifying glass
  4. Using a telescope
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