Physical Science: V.T.#9 Digital Sound through Electric Charge
Terms
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- A signal that can be represented as a sequence of discrete values.
- What is a Digital Signal? (491)
- A substance that kills harmful bacteria or viruses.
- What is a Disinfectant? (209)
- An effect in which white light separates into component colors.
- What is Dispersion? (417)
- A microscopic magnetic region composed of a group of atoms whose magnetic fields are aligned in a common direction.
- What is a Domain? (471)
- An observed change in the frequency of a wave when the source or observer is moving.
- What is the Doppler Effect? (373)
- A reaction in which a gas, a solid precipitate, or a molecular compound is formed from the apparent exhange of ions between two compounds.
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What is a Double-Displacement Reaction.
(158) - An event that occurs when one object passes into the shadow of another object.
- What is an Eclipse? (549)
- All of the living and nonliving elements of another object.
- What is an Ecosystem? (630)
- A quantity, usually expressed as a percentage, that measures the ration of useful work output to work input.
- What is Efficiency? (312)
- An electrical property of matter that creates a force between object.
- What is an Electric Charge? (430)