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Click here for the Answers to Easy Light, Sound, and Color questions
1. Q: Which travels faster, sound or light?A: SoundB: Light-------------------------------------2. Q: Which can travel through a vacuum (space with no substance)?A: LightB: Sound-------------------------------------3. Q: Which type of waves are the longest?A: Radar wavesB: Radio wavesC: Visible LightD: Gamma Rays-------------------------------------4. Q: About how fast is sound?A: 100 feet per secondB: 500 feet per secondC: 1,100 feet per secondD: 10,000 feet per second-------------------------------------5. Q: About how fast is light?A: 1000 feet per secondB: 1000 miles per secondC: 10,000 miles per secondD: 186,000 miles per second-------------------------------------6. Q: What travels faster than light?A: microwavesB: nothingC: soundD: air-------------------------------------7. Q: What type of particles make up light?A: airB: atomsC: moleculesD: photons-------------------------------------8. Q: Which is not a primary color?A: redB: greenC: blueD: yellow-------------------------------------9. Q: What color do yellow and red make?A: greenB: blueC: orangeD: pink-------------------------------------10. Q: If you add red, yellow, and blue light together what color light do you get?A: whiteB: blackC: brownD: green-------------------------------------11. Q: If you add red, yellow, and blue paint together what color of paint do you get?A: whiteB: brownC: blackD: purple-------------------------------------12. Q: What is it called when light rays are bent when passing from one substance to the next?A: radiationB: extractionC: refractionD: pointillism-------------------------------------13. Q: If a wave has a short wavelength, what type of frequency does it have?A: highB: low-------------------------------------14. Q: If a wave has a low frequency, what type of wavelength does it have?A: longB: short-------------------------------------15. Q: What color does an object look that reflects light of all wavelengths in equal amounts?A: whiteB: blackC: redD: blue-------------------------------------16. Q: Which color of light has the longest wavelength?A: purpleB: blueC: greenD: red-------------------------------------17. Q: A lens does which of the following?A: Changes the direction of lightB: Makes an object appear smallerC: Makes an object appear largerD: All of the above-------------------------------------18. Q: When looking through a covex lens will an object appear larger or smaller?A: largerB: smaller-------------------------------------19. Q: When looking through a concave lens will an object appear larger or smaller?A: largerB: smaller-------------------------------------20. Q: What is different about the light that makes up a laser beam versus the light from a flashlight?A: Laser light has very little spreadB: Laser light is all the same wavelengthC: None of the aboveD: All of the above-------------------------------------21. Q: Which of the following is not an application for a laser?A: To generate light.B: To cut through concrete or steel.C: To amplify light.D: To re-attach a damaged eye retina.-------------------------------------22. Q: What color is an object the absorbs light of all wavelengths?A: whiteB: blackC: blueD: red-------------------------------------23. Q: Does sound travel faster through air or water?A: airB: water-------------------------------------24. Q: The more dense a material is the slower sound will travel through it?A: TRUEB: FALSE-------------------------------------25. Q: What is the Doppler Effect?A: When the volume of a sound changes as the object making the sound passes by you.B: The echo made from another object.C: When the frequency or pitch of a sound changes as the object making the sound passes by you.D: The sound made when an object go faster than the speed of sound.-------------------------------------26. Q: What is the unit of measure for the loudness of a sound?A: AmpsB: DecibelsC: HertzD: Meters-------------------------------------27. Q: About what frequency range can the average human hear?A: 2Hz to 200HzB: 200Hz to 2000HzC: 20Hz to 20,000HzD: 200Hz to 200,000Hz-------------------------------------28. Q: What is an echo?A: Sound waves with changing frequencies.B: Reflected sound waves.C: Amplified sound waves.D: The same as the Doppler Effect.-------------------------------------29. Q: The phase of the waves in laser light is the same?A: TRUEB: FALSE-------------------------------------30. Q: About how long does it take for light to travel from the sun?A: 2 secondsB: 30 secondsC: 8 minutesD: 1 hour-------------------------------------Click here for the Answers to Easy Light, Sound, and Color questions
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