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Search Results for wavelength - All Grades

315 questions match "wavelength". Refine Your Search

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Grade 12 Physics
What happens to the wavelength of light as it moves from a vacuum into a medium with a higher refractive index?
  1. The wavelength increases
  2. The wavelength decreases
  3. The wavelength remains unchanged
  4. The wavelength fluctuates
Grade 12 Physics
When light enters a medium with a higher refractive index, what happens to its wavelength?
  1. wavelength increases
  2. wavelength decreases
  3. wavelength remains unchanged
  4. wavelength becomes unpredictable
College Waves and Sound
Grade 8 Waves and Sound
Which type of infrared radiation is used for long-distance telecommunication?
  1. Near-infrared
  2. Short wavelength infrared
  3. Mid wavelength IR
  4. Long wavelength
Grade 8 Waves and Sound
Grade 12 Physics
What is the relationship between wavelength and energy in electromagnetic waves?
  1. As wavelength increases, energy increases
  2. As wavelength decreases, energy decreases
  3. As wavelength decreases, energy increases
  4. Wavelength and energy are unrelated
Grade 12 Physics
At what depth does the orbital motion of water particles become negligible?
  1. At the surface
  2. At half the wavelength
  3. At one wavelength
  4. At the shore
Grade 8 Light and Optics
The greatest amount of diffraction occurs when the barrier or opening is                               .
  1. Larger than the wavelength
  2. The same size as the wavelength
  3. Smaller than the wavelength
  4. None of the above
Grade 6 Oceanography and Hydrology
Which best describes tsunami waves in the deep ocean?
  1. long wavelengths and low heights
  2. long wavelengths and high heights
  3. short wavelengths and low heights
  4. short wavelengths and high heights
College Quantum Physics and the Atom
In going from gamma rays to microwaves, how do wavelength and energy change?
  1. Wavelength and energy both increase
  2. Wavelength and energy both decrease
  3. Wavelength decreases, while energy increases
  4. Wavelength increases, while energy decreases
Grade 12 Physics
How does the Doppler Effect affect light waves when an object moves toward the observer?
  1. The wavelength increases
  2. The wavelength decreases, causing a blue shift
  3. The light undergoes a redshift
  4. There is no effect on the wavelength
Grade 8 Oceanography and Hydrology
Grade 10 Waves and Sound
How do you measure wavelengths?
  1. trough to crest
  2. waves in a given time
  3. crest to crest
  4. the time of one cycle
Grade 6 Waves and Sound
What is a wavelength?
  1. the distance from any point on a wave to an identical point on the next wave
  2. the speed at which wave travels through a medium
  3. the number of waves that fit into a specific area
  4. how far a wave can stretch between two points
Grade 8 Waves and Sound
What property of UV rays makes them potentially harmful to living organisms, especially DNA?
  1. Longer wavelengths
  2. Lower energy
  3. Shorter wavelengths
  4. Higher energy
Grade 8 Waves and Sound
In a given medium, if the frequency of a wave decreases, its                     .
  1. wavelength increases
  2. speed increases
  3. amplitude decreases
  4. wavelength decreases
Grade 8 Waves and Sound
Which of the following determines the intensity of sound?
  1. wavelength and frequency
  2. amplitude and frequency
  3. amplitude and distance
  4. wavelength and distance
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