1. 1 pt(s). |
Which of the following materials is transparent? | |
A. | Clear window glass | |
B. | Your eyelids | |
C. | Solid wood door | |
D. | White paper |
2. 1 pt(s). |
By passing white light through a prism, you can tell — | |
A. | that white light is actually a mixture of different colors | |
B. | the mass of the prism | |
C. | the original source of the light | |
D. | that blue light is brighter than white light |
3. 1 pt(s). |
The diagram shows the electromagnetic spectrum. Which of the types of electromagnetic energy has the shortest wavelength?
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A. | visible light | ||
B. | x rays | ||
C. | radio waves | ||
D. | gamma rays | ||
E. | microwvaves |
4. 1 pt(s). |
The diagram shows some forms of electromagnetic radiation. Which of them will cause sunburn?
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A. | visible light | ||
B. | uv light | ||
C. | microwaves | ||
D. | x rays | ||
E. | gamma rays |
5. 1 pt(s). |
Which of these electromagnetic waves travels the fastest in air? | |
A. | radio waves | |
B. | visible light | |
C. | x-rays | |
D. | all are the same |
6. 1 pt(s). |
What colors make up white light? | |
A. | white only | |
B. | there is no light in white light. | |
C. | red, orange, yellow, green, blue, indigo violet | |
D. | red, yellow, and blue only |
7. 1 pt(s). |
When light strikes a transparent object, | |
A. | the light passes through the object | |
B. | the light is reflected by the object | |
C. | the light is absorbed by the object | |
D. | any of the above |
8. 1 pt(s). |
Lenses cause light to bend, or | |
A. | refract | |
B. | reflect | |
C. | contract | |
D. | stop |
9. 1 pt(s). |
The visible spectrum includes | |
A. | all kinds of radiation | |
B. | white light and the colors of light in it | |
C. | light and sound |
10. 1 pt(s). |
Red light is a kind of electromagnetic | |
A. | spectrum | |
B. | colour | |
C. | radiation | |
D. | convection |
11. 1 pt(s). |
Which form of electromagnetic radiation can be seen? | |
A. | infrared light | |
B. | ultraviolet light | |
C. | x-rays | |
D. | none of the above |
12. 1 pt(s). |
Which of the following are not part of the Electromagnetic Spectrum | |
A. | Microwaves | |
B. | Ultraviolet radiation | |
C. | Visible light | |
D. | Sound | |
E. | Radio waves |
13. 1 pt(s). |
Which object helps people understand what makes up white light? | |
A. | Barometer | |
B. | Prism | |
C. | Microscope | |
D. | Thermometer |
14. 1 pt(s). |
Which tool is used to separate white light into the color spectrum? | ||
A. |
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B. |
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C. |
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D. |
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15. 1 pt(s). |
When light hits an object, the rays can pass through it, bounce off it, or be absorbed by it. Light rays that bounce back are — | |
A. | radiated | |
B. | reflected | |
C. | refracted | |
D. | transmitted |