Properties Of Light
24 Questions
| Total Attempts: 351
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Light is the everyday term we use for electromagnetic radiation within a certain portion of the electromagnetic spectrum, and usually refers to that light which we can see. What are the properties of light? Let’s take a look.
Questions and Answers
- 1.Explain how a solar calculator work:
- 2.Describe the chemical reaction that occurs when a light stick is broken:
- 3.Compare and Contrast incadescent light vs. fluorescent light. You may use a venn diagram.
- 4.Where are lasers found and what are there uses? How do they compare to regular light? You may use a venn diagram.
- 5.The blending of light as it passes from one material into another.
- A.
Reflection reflection
- B.
Refraction
- C.
Refriction
- 6.A mirror that curves outward at the middle.
- A.
Convex mirror reflection
- B.
Concave mirror
- C.
Plane mirror
- 7.A mirrow that curves inward at the middle.
- A.
Convex mirror
- B.
Concave mirror
- C.
Plane mirror
- 8.A mirror that has a flat surface.
- A.
Convex mirror
- B.
Concave mirror
- C.
Plane mirror
- 9.The bouncing of light from a surface.
- A.
Reflection
- B.
Refraction
- C.
Refriction
- 10.A unit used to measure wave frequency.
- A.
Meter
- B.
Vaccuum
- C.
Hertz
- 11.The number of waves produced in a unit of time such as a second.
- A.
Frequency
- B.
Currency
- C.
Energy
- 12.The distance between one crest of a wave and the next crest.
- A.
Frequency
- B.
Wavelength
- C.
Hertz
- 13.A disturbance that carries energy and that travels away from its starting point.
- A.
Vacuum
- B.
Wave
- C.
Energy
- 14.A region that is empty of any matter.
- A.
Energy
- B.
Wave
- C.
Vacuum
- 15.A form of electromagnetic energy that can be seen.
- A.
Visible light
- B.
Seen light
- C.
Electromagnetic light
- 16.Wave energy given off by the sun and some other objects.
- A.
Electromagnetic radiation
- B.
Electromagnetic light
- C.
Electromagnetic wave
- 17.The ability to do work or cause a change in matter.
- A.
Power
- B.
Frequency
- C.
Energy
- 18.The __________, a star supplies nearly all of the Earth's natural light energy. ______________ is really sunlight that has bounced of the moon's surface.
- 19.What are the 2 types of radiation that you cannot see? 1. 2.
- 20.Ultraviolet radiation is sometimes called ______________________because an ultraviolet lamp looks dark when it is on.
- 21.A sunburn is caused by ultraviolet radiation.
- A.
True
- B.
False
- 22.Light bubls are the most common sources of articficial light.
- A.
True
- B.
False
- 23.Most of the chemical reactions that give off heat also produce cold.
- A.
True
- B.
False
- 24.List 3 natural and 3 artificial sources of light:
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