| 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?
|
||
|
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?
|
||
|
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. |
|
|
|
B. |
|
|
|
C. |
|
|
|
D. |
|
|
|
||
| 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 |
