P6 Mechanical Waves Review

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Questions and Answers

What type of wave is characterized by particles of the medium moving in a direction parallel to the direction that the wave moves?

  • Periodic wave
  • Transverse wave
  • Longitudinal wave (correct)
  • Sound wave

Which type of wave is created by vibrating objects and propagated through a medium from one location to another?

  • Sound wave (correct)
  • Transverse wave
  • Longitudinal wave
  • Periodic wave

What phenomenon occurs when a wave reaches the boundary between two media and a portion of the wave undergoes reflection while another portion undergoes transmission?

  • Absorption of Sound
  • Refraction of Sound
  • Reflection of Sound (correct)
  • Diffraction of Sound

What is the term for the bending of waves when they enter a medium where their speed is different?

<p>Refraction of Sound (D)</p> Signup and view all the answers

Which characteristic determines the wavelength and frequency of a periodic wave?

<p>Period (D)</p> Signup and view all the answers

What is the term for the bending of waves around a small obstacle and the spreading out of waves from a small opening?

<p>Diffraction of Sound (B)</p> Signup and view all the answers

What is the phenomenon where light bounces off an object?

<p>Reflection (C)</p> Signup and view all the answers

Which type of lens converges rays of light that are traveling parallel to its principal axis?

<p>Convex lens (C)</p> Signup and view all the answers

What is the center of curvature for a concave mirror?

<p>Sphere's center (D)</p> Signup and view all the answers

What is the near point in relation to the human eye?

<p>The point where the human eye can see near objects clearly (C)</p> Signup and view all the answers

When light passes from a fast medium to a slow medium, what happens to the light ray?

<p>It bends toward the normal (C)</p> Signup and view all the answers

What is the phenomenon where light waves spread out and interfere with each other?

<p>Diffraction (A)</p> Signup and view all the answers

Which type of mirror has a shape cut out of a spherical surface?

<p>Concave mirror (A)</p> Signup and view all the answers

What is the speed at which electromagnetic waves propagate through free space or vacuum?

<p>$2.99 \times 10^8$ m/s (D)</p> Signup and view all the answers

What type of wave phenomenon is responsible for the change in frequency heard when a vehicle with a siren passes by?

<p><strong>Doppler Effect</strong> (D)</p> Signup and view all the answers

In which scenario will light refract away from the normal?

<p>Light passing from water to glass (B)</p> Signup and view all the answers

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