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1. Through which of the following does light travel most slowly?

1. Through which of the following does light travel most slowly? . Skip a page in your CRCT notebook and label it ‘week 24 CRCT quiz’. WEEK 25. Air Diamond Water Vacuum. 2 . Why can the human eye detect visible light waves, but not gamma rays?.

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1. Through which of the following does light travel most slowly?

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  1. 1. Through which of the following does light travel most slowly? Skip a page in your CRCT notebook and label it ‘week 24 CRCT quiz’ WEEK 25 • Air • Diamond • Water • Vacuum

  2. 2. Why can the human eye detect visible light waves, but not gamma rays? A . Visible light waves have a longer wavelength and lower frequency than gamma rays. B. Visible light waves have a shorter wavelength and lower frequency than gamma rays. C. Visible light waves have a longer wavelength and higher frequency than gamma rays. D. Visible light waves have a shorter wavelength and higher frequency than gamma rays.

  3. 3. A material is called transparent when it A. Absorbs light B. reflects light C. transmits light D. bends light

  4. 4. The interaction of light and water vapor in the atmosphere may cause A. diffraction B. splitting into wavelengths C. Absorption D. Opaque medium changes

  5. 5. What kind of property is an objects color? A. Chemical property B. Physical property C. Radioactive property D. Electrical property

  6. 6. Which describes why a certain flower has a red color? • It reflects red light. • It absorbs red light. • It transmits red light. • It refracts red light.

  7. 7. Visible light from the Sun is made of A. a mixture of all visible wavelengths B. wavelengths of pure white light C. red, green, and blue wavelengths D. refracted wavelengths of light

  8. 8. Which part of the eye detects light and sends signals to the optic nerve? A. Lens B. Cornea C. Middle D. Retina

  9. 9. Which part of the eye controls the amount of light that passes through the eye? A. Lens B. Cornea C. Middle D. Pupil

  10. 10. How does the human eye detect the colors of a traffic light? A. with the lens B. with the cornea C. with specialized cone cells D. by absorbing different frequencies

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