IPC Unit 11 Vocab Knopp

What does an Analog Signal transmit information by modifying?

• A discontinuous code of 1's and 0's

• A continuous signal, such as the amplitude or frequency

• The speed of light

• The distance between waves

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What does the Big Bang Theory suggest about the beginning of the universe?

• The universe has been contracting into a single point

• The universe has been in a steady state

• All of its matter and energy were condensed into a single point which then expanded

• The universe was always as it is now, without any beginning

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How does a Digital Signal transmit information?

• By modifying the amplitude or frequency of a continuous signal

• By using a continuous wave of varying frequencies

• By using a discontinuous code of 1's and 0's

• By changing the color of light emitted

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What is the Doppler Effect a phenomenon of?

• A change in the color of light as it moves through a prism

• A change in the frequency of waves when the source moves relative to an observer

• A pattern of specific colors of light that are emitted from a source

• A change in the amplitude of waves as they pass through different mediums

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What is the Electromagnetic Spectrum a pattern of?

• The intensity of light as it passes through different mediums

• The frequency of sound waves in the air

• Specific colors of light that are emitted from a source

• The amplitude of radio waves transmitted by satellites

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What is the Emission Spectrum?

• A phenomenon that results when light of a particular wavelength and frequency interacts with electrons

• Energy that can be either electromagnetic or nuclear

• A range of wavelengths and frequencies of light consisting of radio waves, visible light, ultra-violet light and other types of light

• The structure of light that can explain how light can interact with matter

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What is the Photoelectric Effect?

• A range of wavelengths and frequencies of light

• The structure of light that can explain how light can interact with matter

• A phenomenon that results when light of a particular wavelength and frequency interacts with the electrons in an object

• Energy which can be either electromagnetic or nuclear

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What is considered harmful radiation?

• Light that can explain how light can interact with matter during the photoelectric effect

• A range of wavelengths and frequencies of light consisting of radio waves and visible light

• Energy that is not ionizing and does not cause molecules to become charged ions

• Ionizing energy that causes molecules to become charged ions

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What is a Particle in the context of light?

• A phenomenon that results when light interacts with electrons

• Energy that can be either electromagnetic or nuclear

• A range of wavelengths and frequencies of light

• The structure of light that can explain how light can interact with matter

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Which of the following is used to describe the structure of light that can explain how light generated both constructive and destructive interference patterns when different sources of light collide?

• Particle

• Wave

• Quantum

• Photon

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