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Questions and Answers
What is light?
What is light?
- A form of matter that emits heat and brightness
- A physical object that illuminates its surroundings
- A type of sound wave that travels through space
- A form of energy that enables us to see things around us (correct)
What travels in straight lines and casts shadows?
What travels in straight lines and casts shadows?
- Light waves (correct)
- Heat waves
- Matter particles
- Sound waves
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
- 299,792,458 meters per second (correct)
- 500,000,000 meters per second
- 100,000,000 meters per second
- 1,000,000,000 meters per second
What is the primary source of natural light on Earth?
What is the primary source of natural light on Earth?
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How does light travel?
How does light travel?
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What color does an object appear if it reflects all light and absorbs none?
What color does an object appear if it reflects all light and absorbs none?
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