PHY1020-Chapter 9
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Which of the following has the highest frequency? ~Gamma rays ~UV ~IR ~Microwaves | show 🗑
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| show | AM Radio
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| If you double the absolute temperature of an object, the wavelength of emitted light: | show 🗑
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| Which kind of light has the longest wavelength? ~Red light ~Blue light ~Infrared light ~Ultraviolet light | show 🗑
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| show | x-rays, UV, and IR
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| As an object gets hotter and hotter, the color of its glow will change from: | show 🗑
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| Radio waves and x-rays have the: | show 🗑
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| If you double the absolute temperature, the total radiation: | show 🗑
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| Most of the energy of an ordinary tungsten-filament lightbulb is emitted in the color: | show 🗑
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| show | IR
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| A tungsten lightbulb has 100 watts printed on it. About how much power is emitted as visible light? | show 🗑
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| show | Blue
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| show | IR
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| Which of the following exposes people to the kind of radiation that can cause cancer?: ~computer-aided tomography (CAT) scans ~magnetic resonance imaging (MRI) ~Positron-emission tomography (PET) ~thermography | show 🗑
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| show | Infrared radiation
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| If you sleep under a tree, you won't get wet from morning dew. That's because the tree: | show 🗑
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| show | By emitting IR
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| A "heat-seeking" missile actually aims itself toward: | show 🗑
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| The ozone layer is created by and absorbs: | show 🗑
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| show | CFCs
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| show | Chlorofluorocarbons (CFCs)
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| Multispectral refers to: | show 🗑
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| show | MRI
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| show | Ozone is the most important greenhouse gas
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| show | The ozone layer
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| show | Radar range
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| show | Same as radar
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| show | Water
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| MRI maps the distribution of which element to produce an image? | show 🗑
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| show | ~Is responsible for sunburns and windburns
~Is used to kill bacteria in the water of remote villages in India
~Is also called black light
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| show | x-ray
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| A black light is designed to emit: | show 🗑
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| show | An antielectron
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| Sunburn is usually caused by: | show 🗑
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| show | PET scan
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| To image hydrogen in the body, use: | show 🗑
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| What is the cause for "windburn"? | show 🗑
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| show | IR
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| Pit vipers and mosquitos can sense: | show 🗑
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| Infrared radiation can: | show 🗑
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| show | Ultraviolet radiation
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| show | Emits visible light
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| To make clothes appear extra clean, manufacturers apply: | show 🗑
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| show | 50,000 eV
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| show | Infrared radiation
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| Cell phones emit | show 🗑
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| show | Measurement of wave velocities in the ocean.
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| show | Ultrasound.
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| show | Ultraviolet light
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| show | Must reflect infrared.
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| The best kind of radiation to purify water is | show 🗑
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| Which of the following are electromagnetic waves? ~Radar ~Visible Light ~UV ~X-rays | show 🗑
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| To image hydrogen in the brain, the best technique: | show 🗑
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| show | CAT
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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