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Light and Optics Questions - All Grades

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Grade 11 Light and Optics
What is the frequency of an electromagnetic wave with a wavelength of 1.0×105 m?
  1. 1.0×1013 Hz
  2. 3.0×103 Hz
  3. 3.0×1013 Hz
  4. 1.0×103 Hz
Grade 8 Light and Optics
The electromagnetic spectrum is                                         .
  1. a range of all electromagnetic radiation
  2. a range of all sound waves
  3. a range of all visible light
  4. a range of all water waves
Grade 6 Light and Optics
The natural agent that stimulates sight and makes things visible is                  .
  1. sound
  2. a convex mirror
  3. light
  4. none of the above
Grade 4 Light and Optics
                means the light is bounced back by the object.
  1. Reflected
  2. Transmitted
  3. Absorbed
  4. Refracted
Grade 8 Light and Optics
Which of the following is NOT part of the electromagnetic spectrum?
  1. Radio waves
  2. X-rays
  3. Ultrasonic waves
  4. Microwaves
Grade 11 Light and Optics
When light rays pass through a convex lens, as in the image shown, what happens to the rays and the perceived image of the object?
Optics - Convex Lens
  1. The light rays diverge, magnifying the perceived image.
  2. The light rays converge, magnifying the perceived image.
  3. The light rays diverge, reducing the perceived image.
  4. The light rays converge, reducing the perceived image.
Grade 4 Light and Optics
                means the light passes through the object.
  1. Reflected
  2. Transmitted
  3. Absorbed
  4. Refracted
Grade 6 Light and Optics
Transparent is not able to be seen through.
  1. True
  2. False
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