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Analog and Digital Signals: Modulation and Demodulation Quiz

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Analog and Digital Signals: Modulation and Demodulation Quiz

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Questions and Answers

What is the speed of propagation of electromagnetic waves in free space?

299.2 m/s

3,792,458 m/s

299,792,458 m/s (correct)

29,792,458 m/s

In what manner are electric and magnetic fields oriented in an electromagnetic wave as it propagates through space?

Parallel to each other and parallel to the direction of travel of the wave

Perpendicular to each other and to the direction of travel of the wave (correct)

Parallel to each other and perpendicular to the direction of travel of the wave

Perpendicular to each other but parallel to the direction of travel of the wave

Which organization is responsible for non-ionizing radiation protection standards?

NASA

ICNIRP (correct)

IRPA

UNESCO

What is the difference between the highest and lowest frequencies contained in information known as?

Bandwidth Signup and view all the answers

What is the unit of length equal to 1/1000 mm?

Micron Signup and view all the answers

Which unit represents 10-9 meters?

Nanometers Signup and view all the answers

What is the abbreviation for International Radiation Protection Association?

IRPA Signup and view all the answers

Which type of radiation has not been found to cause cancer according to the text?

Most types of non-ionizing radiation Signup and view all the answers

According to ICNIRP, what does ICNIRP stand for?

International Commission on Non-Ionizing Radiation Protection Signup and view all the answers

Analog and Digital Signals: Modulation and Demodulation Quiz

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Questions and Answers

What is the speed of propagation of electromagnetic waves in free space?

In what manner are electric and magnetic fields oriented in an electromagnetic wave as it propagates through space?

Which organization is responsible for non-ionizing radiation protection standards?

What is the difference between the highest and lowest frequencies contained in information known as?

What is the unit of length equal to 1/1000 mm?

Which unit represents 10-9 meters?

What is the abbreviation for International Radiation Protection Association?

Which type of radiation has not been found to cause cancer according to the text?

According to ICNIRP, what does ICNIRP stand for?

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