RFID and Radio Waves Applications Quiz

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Questions and Answers

Which type of electromagnetic radiation has the highest energy?

  • Microwaves
  • Ultraviolet rays
  • X-rays
  • Gamma rays (correct)

In what way do electromagnetic waves affect our health and environment?

  • They seriously compromise our health and disturb our environment (correct)
  • They have no effect on our health and environment
  • They only affect our environment, not our health
  • They have a positive impact on our health

What is the purpose of the radioactive material, or tracer, in a nuclear medicine scan?

  • To take images of the body
  • To be injected into or taken orally by the patient to allow a special camera to take images of the body (correct)
  • To destroy cancer cells
  • To sterilize medical equipment

What is the name of the procedure that uses gamma rays to destroy cancer cells?

<p>Radiotherapy (B)</p> Signup and view all the answers

What type of electromagnetic radiation is used as a medical sterilizing agent?

<p>Ultraviolet rays (D)</p> Signup and view all the answers

What is an example of internal radiotherapy?

<p>Brachytherapy (C)</p> Signup and view all the answers

Which of the following is not a medical application of electromagnetic waves mentioned in the text?

<p>Controlling entry at gates in schools (D)</p> Signup and view all the answers

Which extraterrestrial source produces radio waves, as mentioned in the text?

<p>The sun (C)</p> Signup and view all the answers

Which of the following electromagnetic waves was discovered by James Clerk Maxwell?

<p>Microwaves (C)</p> Signup and view all the answers

Which of the following is a practical use of RFID not mentioned in the text?

<p>Tracking parcels for delivery services (D)</p> Signup and view all the answers

Which of the following statements about the production of electromagnetic waves is correct, based on the information given?

<p>Radio waves can be produced by an alternating current (AC) circuit attached to an antenna (A)</p> Signup and view all the answers

Which of the following electromagnetic waves is not mentioned as having medical applications in the text?

<p>Ultraviolet light (D)</p> Signup and view all the answers

Which electromagnetic wave is primarily used in microwave ovens for cooking food?

<p>2.45 GHz microwaves (D)</p> Signup and view all the answers

Which of the following is a medical application of microwaves?

<p>Monitoring the progress of treatment in breast cancer (A)</p> Signup and view all the answers

What frequency range is typically used for long-distance telephone calls using microwaves?

<p>2 GHz to 40 GHz (A)</p> Signup and view all the answers

Which of the following waves is NOT an electromagnetic wave?

<p>Sonar waves (B)</p> Signup and view all the answers

Which electromagnetic wave has a frequency range from 3 × 10^11 Hz to 4 × 10^14 Hz?

<p>Infrared radiation (B)</p> Signup and view all the answers

How are microwaves used in remote sensing for disaster management and mapping?

<p>By using microwaves to penetrate clouds and smoke to get a clear image (B)</p> Signup and view all the answers

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