- Electrostatic
- Sonic
- Digitizing sr amer
- Caparitive
- None of the above
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What is the purpose of the electromagnetic field which surrounds a traveling-wave tube?
Answer: Option 3 Let'
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Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?
Answer: Option 3 Increasing order of velocity of sound in the following media is as follows : Air, water and iron.
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At what position is the input signal inserted into a traveling-wave tube?
Answer: Option 1 Let'
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What consists of the identification of risks or threats, the implementation of security measures, and the monitoring of those measures for effectiveness?
Answer: Option 1 Risk management consists of the identification of risks or threats, the implementation of security measures, and the monitoring of those measures for effectiveness. Risk management is the...
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Which determines the frequency of a sound wave?
Answer: Option 1 Amplitude determines the frequency of a sound wave.
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Which phenomenon is responsible for the echo of sound wave?
Answer: Option 1 Reflection is responsible for the echo of sound wave.
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Which term is not associated with sound wave?
Answer: Option 3 Candela is the SI unit of luminous intensity.
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Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?
Answer: Option 3 Let'
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The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called:?
Answer: Option 3 Let'
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