Semester 1 Post Test_ Hs

55 Questions | Total Attempts: 59

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Semester 1 Post Test_ Hs

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Questions and Answers
  • 1. 
    What does B represent?
    • A. 

      Amplitude

    • B. 

      Crest

    • C. 

      Trough

    • D. 

      Wavelength

  • 2. 
    As we move through the visible spectrum, red to violet (right to left in the image), the wavelength __________ and the frequency ____________.
    • A. 

      Decreases; decreases

    • B. 

      Decreases; increases

    • C. 

      increases; increases

    • D. 

      Increases; decreases

  • 3. 
    What does D represent?
    • A. 

      Amplitude

    • B. 

      Crest

    • C. 

      Trough

    • D. 

      Wavelength

  • 4. 
    When describing electromagnetic radiation, there is a(n) _____________ relationship between wavelength and frequency and the greater the frequency, the ____________ energy the electromagnetic radiation has.
    • A. 

      Inverse; more

    • B. 

      Inverse; less

    • C. 

      direct; more

    • D. 

      Direct; less

  • 5. 
    Which of these waves can NOT travel through the vacuum of space?
    • A. 

      Microwaves

    • B. 

      Radio waves

    • C. 

      Light waves

    • D. 

      Sound waves

  • 6. 
    You see lightning before you hear thunder because
    • A. 

      Light waves can travel through a vacuum.

    • B. 

      Sound waves cannot travel through the air.

    • C. 

      Light waves travel faster than sound waves.

    • D. 

      Sound waves travel faster than light waves.

  • 7. 
    While watching a recent science fiction movie, one Klingon spaceship blows up a Droid spaceship with a laser gun. The Klingon crew watches out the port window and covers their ears to muffle the noise from the explosion. Scientifically, this scene is inaccurate because
    • A. 

      Light can not reflect off objects in the vacuum of space.

    • B. 

      they would not be able to see anything outside the window.

    • C. 

      Lasers can not be transmitted through the vacuum of space.

    • D. 

      The sound of the explosion would not be transmitted back to their ship.

  • 8. 
    If we compare and contrast electromagnetic waves with sound waves, all BUT one statement is true. That is
    • A. 

      Sound waves require a medium to travel while electromagnetic waves do not.

    • B. 

      Electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere.

    • C. 

      Electromagnetic waves can travel through the vacuum of space while sound waves cannot.

    • D. 

      Sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

  • 9. 
    What is true for ALL of the examples of electromagnetic waves?
    • A. 

      They all have the same energy.

    • B. 

      They all have the same frequency.

    • C. 

      They all have the same wavelength.

    • D. 

      They all move at the same speed in a vacuum.

  • 10. 
    All of the waves in the electromagnetic spectrum are _______ waves.
    • A. 

      Transverse

    • B. 

      Mechanical

    • C. 

      Longitudinal

    • D. 

      Compression

  • 11. 
    Although you can see the pencil, it appears broken in the glass of water. This is because
    • A. 

      Electromagnetic waves get closer together when they go through dense media like glass.

    • B. 

      Electromagnetic waves compress more when they travel through denser media.

    • C. 

      Electromagnetic waves travel at different speeds through different media.

    • D. 

      Electromagnetic waves cannot travel through solids.

  • 12. 
    Reflection is the bouncing of light rays off of a surface. Which situation is NOT an example of reflection?
    • A. 

      Looking at yourself in a mirror

    • B. 

      Focusing light through a camera lens

    • C. 

      Seeing an image of yourself in a still lake

    • D. 

      Looking at your teacher at the front of the class

  • 13. 
    Your teacher walks outside the classroom to have a conversation with the principal. Unknown to the teacher, while she is outside the room, the sound waves are transmitted around the edge of the door and spread out on the other side and you can hear the conversation. This is due to sound wave
    • A. 

      Reflection.

    • B. 

      interference.

    • C. 

      Diffraction.

    • D. 

      Absorption.

  • 14. 
    An echo is an example of sound wave
    • A. 

      Diffraction.

    • B. 

      Interference.

    • C. 

      Refraction.

    • D. 

      Reflection.

  • 15. 
    When light enters a pair of glasses, it ______________ when it hits the glass.
    • A. 

      Conducts

    • B. 

      Diffracts

    • C. 

      Reflects

    • D. 

      refracts

  • 16. 
    Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave
    • A. 

      Absorption.

    • B. 

      diffraction.

    • C. 

      reflection.

    • D. 

      Refraction.

  • 17. 
    We can see because light is
    • A. 

      Absorbed.

    • B. 

      Diffracted.

    • C. 

      Reflected.

    • D. 

      Refracted.

  • 18. 
    In which medium would sound travel the fastest?
    • A. 

      Across a room

    • B. 

      In a swimming pool

    • C. 

      Through outer space

    • D. 

      Through a railroad track

  • 19. 
    What does the person in back of the ambulance experience?
    • A. 

      A lower frequency of the siren

    • B. 

      A lower amplitude of the siren

    • C. 

      A higher frequency of the siren

    • D. 

      A higher amplitude of the siren

  • 20. 
    Sound waves are transferred by the compression of particles. The closer the particles are to one another, the faster the energy is transferred. Therefore, sound energy directly depends upon the _________ of the medium.
    • A. 

      Density

    • B. 

      Mass

    • C. 

      Pressure

    • D. 

      Volume

  • 21. 
    Sunlight is slowed MOST when traveling through
    • A. 

      A vacuum.

    • B. 

      The atmosphere.

    • C. 

      Water.

    • D. 

      None of these, as light always travels at the same speed.

  • 22. 
    As the ambulance got closer, Marge noticed that the pitch of the siren got higher. This happened because
    • A. 

      The human ear increases pitch over time.

    • B. 

      the sound waves were pushed closer together.

    • C. 

      the volume increased.

    • D. 

      The ambulance was further away.

  • 23. 
    A train whistle is at a higher pitch (note) as it approaches you and then drops to a lower pitch as it moves away. What concept explains this change or shift in sound waves?
    • A. 

      Bernoulli effect

    • B. 

      Changes in speed

    • C. 

      Changes in speed

    • D. 

      Doppler Effect

  • 24. 
    Trumpeter A holds a B-flat note on the trumpet for a long time. Person C is running towards the trumpeter at a constant velocity. Person B is running away from the trumpeter at the same rate. Person D is standing still the whole time.Which person hears a frequency that is lower than the B-flat?
    • A. 

      Person A

    • B. 

      Person B

    • C. 

      Person C

    • D. 

      Person D

  • 25. 
    If 500 J of energy were added to 1 kg of each of these samples, which would experience the LEAST temperature increase?
    • A. 

      Aluminum

    • B. 

      Brass

    • C. 

      Copper

    • D. 

      Platinum

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