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Questions and Answers
What is the primary purpose of using ultraviolet radiation in air-conditioning systems?
What is the primary purpose of using ultraviolet radiation in air-conditioning systems?
To kill bacteria
How do gamma rays contribute to the treatment of cancer?
How do gamma rays contribute to the treatment of cancer?
By destroying cancer cells
What is the primary application of radio waves in everyday life?
What is the primary application of radio waves in everyday life?
To listen to music
What is the role of infrared rays in remote control devices?
What is the role of infrared rays in remote control devices?
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What is a common characteristic of all the types of radiation mentioned in the passage?
What is a common characteristic of all the types of radiation mentioned in the passage?
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Study Notes
Uses of Electromagnetic Radiation
- Ultraviolet (UV) radiation is used to kill bacteria in air-conditioning systems, providing a sterilization method to maintain air quality.
- Gamma rays are used to destroy cancer cells, making them a crucial tool in cancer treatment and providing a targeted approach to eliminate malignant cells.
- Radio waves are used to transmit audio signals, enabling us to listen to music and other audio content through various broadcasting systems.
- Infrared (IR) rays are used to control devices remotely, facilitating communication between devices and allowing for convenient operation of appliances and gadgets.
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Description
This quiz covers the various uses of different types of electromagnetic radiation, including ultraviolet, gamma rays, radio waves, and infrared rays.
