Technology - Quiz

Question: Some lasers are referred to as being “cw.” What does “cw” mean?
1) Circular wave
2) Constant white
3) Continuous wave
4) Clear white
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Question: What is the process responsible for producing photons in a diode laser?
1) Fermi level shift
2) Majority carrier injection
3) Carrier freeze out
4) Electron-hole recombination
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Question: What are three types of lasers?
1) Gas, metal vapor, rock
2) Pointer, diode, CD
3) Diode, inverted, pointer
4) Gas, solid state, diode
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Question: What was the active medium used in the first working laser ever constructed?
1) A diamond block
2) Helium-neon gas
3) A ruby rod
4) Carbon dioxide gas
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Question: After the first photons of light are produced, which process is responsible for amplification of the light?
1) Blackbody radiation
2) Stimulated emission
3) Planck’s radiation
4) Einstein oscillation
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Question: Once the active medium is excited, the first photons of light are produced by which physical process?
1) Blackbody radiation
2) Spontaneous emission
3) Synchrotron radiation
4) Planck’s oscillation
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Question: The first step to getting output from a laser is to excite an active medium. What is this process called?
1) Pumping
2) Exciting
3) Priming
4) Raising
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Question: What does AM mean?
1) Angelo marconi
2) Anno median
3) Amplitude modulation
4) Amperes
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Question: What frequency range is the High Frequency band?
1) 100 kHz
2) 1 GHz
3) 30 to 300 MHz
4) 3 to 30 MHz
Electronics Quiz, Technology Quiz

Question: What does AM mean?
1) Angelo marconi
2) Anno median
3) Amplitude modulation
4) Amperes
Electronics Quiz, Technology Quiz

Question: What frequency range is the High Frequency band?