18 Questions
Which type of electromagnetic radiation has the highest energy?
Gamma rays
In what way do electromagnetic waves affect our health and environment?
They seriously compromise our health and disturb our environment
What is the purpose of the radioactive material, or tracer, in a nuclear medicine scan?
To be injected into or taken orally by the patient to allow a special camera to take images of the body
What is the name of the procedure that uses gamma rays to destroy cancer cells?
Radiotherapy
What type of electromagnetic radiation is used as a medical sterilizing agent?
Ultraviolet rays
What is an example of internal radiotherapy?
Brachytherapy
Which of the following is not a medical application of electromagnetic waves mentioned in the text?
Controlling entry at gates in schools
Which extraterrestrial source produces radio waves, as mentioned in the text?
The sun
Which of the following electromagnetic waves was discovered by James Clerk Maxwell?
Microwaves
Which of the following is a practical use of RFID not mentioned in the text?
Tracking parcels for delivery services
Which of the following statements about the production of electromagnetic waves is correct, based on the information given?
Radio waves can be produced by an alternating current (AC) circuit attached to an antenna
Which of the following electromagnetic waves is not mentioned as having medical applications in the text?
Ultraviolet light
Which electromagnetic wave is primarily used in microwave ovens for cooking food?
2.45 GHz microwaves
Which of the following is a medical application of microwaves?
Monitoring the progress of treatment in breast cancer
What frequency range is typically used for long-distance telephone calls using microwaves?
2 GHz to 40 GHz
Which of the following waves is NOT an electromagnetic wave?
Sonar waves
Which electromagnetic wave has a frequency range from 3 × 10^11 Hz to 4 × 10^14 Hz?
Infrared radiation
How are microwaves used in remote sensing for disaster management and mapping?
By using microwaves to penetrate clouds and smoke to get a clear image
Test your knowledge on the applications of RFID technology and radio waves in various fields including toll payment, school book lending, e-Passports, and medical imaging techniques like MRI. Explore the impact of radio waves in different industries and technologies.
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