Exam 7: Waves
Exam 1: The Scientific Method40 Questions
Exam 2: Motion61 Questions
Exam 3: Energy49 Questions
Exam 4: Energy and the Future48 Questions
Exam 5: Matter and Heat66 Questions
Exam 6: Electricity and Magnetism50 Questions
Exam 7: Waves56 Questions
Exam 8: The Nucleus59 Questions
Exam 9: The Atom46 Questions
Exam 10: The Periodic Law56 Questions
Exam 11: Crystals, Ions, and Solutions51 Questions
Exam 12: Chemical Reactions42 Questions
Exam 13: Organic Chemistry49 Questions
Exam 14: Atmosphere and Hydrosphere51 Questions
Exam 15: The Rock Cycle53 Questions
Exam 16: The Evolving Earth53 Questions
Exam 17: The Solar System55 Questions
Exam 18: The Stars53 Questions
Exam 19: The Universe50 Questions
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A 80-dB sound carries more energy than a 40-dB sound by a factor of
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When a sound wave goes from air into water, the quantity that remains unchanged is its
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C
Ocean waves with a period is 10 s are found to have a wavelength of 120 m.Their speed is
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When a real object is the distance f from a converging lens,
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Which of the following is not a property of an electromagnetic wave?
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A frequency that is not an overtone of the fundamental frequency F is
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A pure musical note causes a thin wooden panel nearby to vibrate with the same frequency.This is an example of
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A converging lens of focal length f produces a real image of a real object when the object is
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The property of light waves that leads to the phenomenon of color is
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Sound waves of frequency 300 Hz have a wavelength relative to sound waves in the same medium of frequency 600 Hz that is
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Which one of the following effects does not occur in all types of wave?
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