Speed of Light and Associated Phenomena Quiz
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Speed of Light and Associated Phenomena Quiz

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Questions and Answers

Which color of light has the longest wavelength?

  • Red (correct)
  • Violet
  • Green
  • Blue

    • What happens to the speed of light when it travels through a denser medium?

  • It decreases (correct)
  • It becomes zero
  • It increases
  • It remains constant

    • What is the speed of light in a vacuum?

  • $6.00 \times 10^8$ m/s
  • $1.00 \times 10^9$ m/s
  • $9.00 \times 10^8$ m/s
  • $3.00 \times 10^8$ m/s (correct)

    • The image formed on the retina is real and inverted.

    <p>True</p> Signup and view all the answers

    The process of accommodation in the eye is mainly controlled by the ciliary muscles.

    <p>True</p> Signup and view all the answers

    The lens of the eye always maintains a constant shape and curvature.

    <p>False</p> Signup and view all the answers

    What part of the eye is mainly responsible for adjusting the focal length to form a clear image on the retina?

    <p>Lens</p> Signup and view all the answers

    In the process of accommodation in the eye, what happens to the shape of the lens when focusing on near objects?

    <p>The lens becomes thicker</p> Signup and view all the answers

    What happens to the size and position of the image formed on the retina when viewing distant objects?

    <p>The image becomes smaller and moves closer to the lens</p> Signup and view all the answers

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