Physics Unit 1 Quiz

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1. When a vehicle travels towards you, what is happening?

  • The pitch is decreasing: the wavelength decreases, the frequency increases.
  • The pitch is increasing: the wavelength decreases, frequency increases.
  • The pitch is increasing: the frequency decreases, the wavelength increases.
  • The pitch is decreasing: the wavelength increases, the frequency decreases.
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2. What is the formula for specific heat capacity?

  • Energy = mass x specific heat capacity x change in temperature
  • Specific heat capacity = energy x mass x change in temperature
  • Energy = mass / specific heat capacity / weight
  • Change in temperature = mass / specific heat capacity x energy

3. Radiation is transferred via what?

  • Waves.
  • Rays.
  • Particles.
  • Beams.

4. Which of the following is true about refraction?

  • The angle of incidence is greater than the angle of refraction.
  • The angle of incidence is less than the angle of refraction.
  • The angle of incidence is equal to the angle of refraction.
  • The angle of refraction is greater than 90 degrees.

5. What is red-shift?

  • The shifting of light to the red side of the spectrum due to an increase in wavelength.
  • The shifting of light to the red side of the spectrum due to speed.
  • The shifting of light to the red side of the spectrum due to a decrease in wavelength.
  • The shifting of light to the red side of the spectrum due to distance.

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