ScienceFusion Sound and Light: Online Textbook Help Final Exam

Free Practice Test Instructions:

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Question 1 1. Waves originate from:

Question 2 2. An excited atom is:

Question 3 3. The law of reflection states that the angle of reflection is equal to the angle of

Question 4 4. Low-frequency waves have a _____ wavelength, while high-frequency waves have a _____ wavelength.

Question 5 5. Which wave parameter measures the spatial distance of one wave cycle?

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

Question 7 7. Standing waves occur as a combination of constructive interference and

Question 8 8. The _____ is responsible for the transfer of images coming into your retina to the vision centers of your brain through electrical impulses.

Question 9 9. Risks associated with the use of ultrasound include _____.

Question 10 10. Different parts of Earth are different temperatures because _____.

Question 11 11. Which one of the following is the equation for wavelength?

Question 12 12. A power ratio of 100 dB is 100 times more intense than a 70-dB power ratio.

Question 13 13. What is the weakness found in the frequency theory of hearing?

Question 14 14. On the electromagnetic spectrum, the waves with the highest frequencies have the smallest

Question 15 15. How does a microphone work?

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ScienceFusion Sound and Light: Online Textbook Help Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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