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- 1. Multiple ChoiceElectromagnetic energy travels in waves. When we describe electromagnetic waves, we often talk about the wave’s length and frequency. Which of these statements accurately describes the relationship between the wavelength and frequency of an electromagnetic wave?If wavelength increases, frequency increases.If frequency decreases, wavelength increases.If frequency remains constant, wavelength increases.If wavelength remains constant, frequency increases.
- 2. Multiple ChoiceLatif wakes up one morning and sees that it is foggy outside. Which term best describes the fog he sees?opaquereflectivetranslucenttransparent
- 3. Multiple ChoiceHeather puts a straw into a glass of water. She notices that the straw appears to be broken when she looks through the glass and the water from the side. Which term bestexplains why the straw looks like it is broken?absorptionrefractionscatteringtransmission
- 4. Multiple ChoiceDuring a thunderstorm, Sanjay saw lightning and then heard thunder 5 s later. Why does he see the lightning before he hears the thunder?He would have seen the lightning and heard the thunder at the same time.Sound travels faster than light.Light travels faster than sound.There is no reason.
- 5. Multiple ChoiceA dolphin makes a noise underwater that is too high-pitched for humans to hear. What type of wave is this?waterelectromagneticmechanicalmicrowave
- 6. Multiple ChoiceIn which of these situations would light slow down?from glass to airfrom ice to waterfrom plastic to airfrom a vacuum to air
- 7. Multiple ChoiceWhich of the following is NOT a cause of a wave changing direction?ReflectionRefractionRadiationDiffraction
- 8. Multiple ChoiceLight waves are mechanical waves.TrueFalse
- 9. Multiple ChoiceRefraction causes waves to bounce back off of an object.TrueFalse
- 10. Multiple ChoiceWhen light waves are absorbed, they can become heat.TrueFalse
- 11. Multiple ChoiceLight is the only wave that can be reflected.TrueFalse
- 12. Multiple ChoiceWhich of the following is the bending of a wave, which changes its speed.ReflectionDiffractionRefractionFrequency
- 13. Multiple Choice
The picture best representsRefractionReflectionDiffractionInterference - 14. Multiple Choice
In what context would would light travel even faster than through air?
Through vacuum/empty space
Through glass
Through water
Through a solid
- 15. Multiple Choice
In a vacuum/empty space, the speed of light...
can vary
is always 300,000 km/s
is slower than the speed of light through a medium
is slow
- 16. Multiple ChoiceA student placed a pencil in a cup of water. The pencil appears broken because light-always travels in a straight linebends when it passes through watermakes the water in the glass evaporatereflects the pencil on the water's surface
- 17. Multiple ChoiceThe illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-absorbedstoppedreflectedrefracted - 18. Multiple ChoiceWhy does the lower part of the child appear so much different in size from the upper part?The light rays that travel through water and then into air are refracted.The light rays that travel through water and then into air are enlarged.The light rays that travel through air and then into water are reflected.The light rays that travel through air and then into water are reduced.
- 19. Multiple ChoiceThe change in ________ of light causes it to bendspeeddistancelengthcolor
- Answer choicesTagsAnswer choicesTags