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MTLE Middle Level Science: Vibrations & Waves Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What is the meaning of a negative focal length?

Question 2 2. What is the angle of refraction for light entering water from air when the light strikes the water at 20° to the normal? The index of refraction of air is 1 and 1.33 for water.

Question 3 3. The separation of white light through a prism happens because each frequency (color) is _ at a different angle.

Question 4 4. If the lens you are using is concave, what does that tell you about the focal length?

Question 5 5. What is a mirror?

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Question 6 6. Which of the following describes 'transmitted light'?

Question 7 7. The law of reflection states that the angle of reflection is equal to the angle of

Question 8 8. Which two parameters can both be measured in meters?

Question 9 9. The normal is an imaginary line that is

Question 10 10. When looking into the inner surface of a silver spoon, you would see the image of your chin projected

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Question 11 11. Consider two forces both pushing an object in the same direction. Which of the following is accurate concerning these two forces?

Question 12 12. A long range early warning radar system used for air defense operates at a frequency of 126 MHz (126,000,000 Hz). What is the wavelength of the electrical oscillations in the radar system?

Question 13 13. Light traveling from a slower medium to a faster medium will bend _ the normal.

Question 14 14. Which of the following is NOT a factor that transmittance depends on?

Question 15 15. Within a medium of the same state, wave speed, in general, increases with _____ temperature.

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Question 16 16. What makes a mirror different from the surface of a wall in terms of creating an image?

Question 17 17. An object's resistance to change in motion is referred to as ...

Question 18 18. What is a ray?

Question 19 19. Which of the following represents the six spectral colors in order of increasing frequency?

Question 20 20. Which wave parameter measures the number of cycles that are completed in one second?

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Question 21 21. Chlorophyll is a plant pigment that absorbs all frequencies of light except for

Question 22 22. Which wave parameter can be found by multiplying the wavelength by the frequency?

Question 23 23. In Snell's Law, the ratio of the indices is related to the inverse ratio of the _ of the angles.

Question 24 24. Suppose we have a CONCAVE lens. A person stands 3 meters away from the lens, the focal length of the lens is 1 meter, and the person's height is 1.2 meters. What are the properties of the image?

Question 25 25. Which one of the following is the equation for wavelength?

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Question 26 26. A standard tuning fork uses a sound that travels through air at a frequency of 440 Hz. What is the wavelength of the sound wave emitted into the air by the tuning fork at room temperature?

Question 27 27. The visible light spectrum sits between the _____ and _____ regions of the electromagnetic spectrum.

Question 28 28. What is the definition of a spherical mirror?

Question 29 29. What does a negative image distance indicate?

Question 30 30. The portion between two successive wave crests or troughs is called the

MTLE Middle Level Science: Vibrations & Waves Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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