Podcast
Questions and Answers
What is the term for the property of light traveling in straight lines?
What is the term for the property of light traveling in straight lines?
- Rectilinear propagation (correct)
- Non-luminous objects
- Luminous sources
- Electromagnetic radiation
What is the speed of light when traveling through empty space?
What is the speed of light when traveling through empty space?
- 5.00x10^8 m/s
- 2.00x10^8 m/s
- 4.00x10^8 m/s
- 3.00x10^8 m/s (correct)
What is the term for objects that make their own light?
What is the term for objects that make their own light?
- Rectilinear propagation
- Non-luminous objects
- Luminous sources (correct)
- Electromagnetic radiation
What is the definition of light?
What is the definition of light?
What is required for light to travel?
What is required for light to travel?
What is the majority of the electromagnetic spectrum?
What is the majority of the electromagnetic spectrum?
What is the range of electromagnetic waves that the human eye can detect?
What is the range of electromagnetic waves that the human eye can detect?
Which type of radiation is used in medical imaging to detect broken bones and teeth?
Which type of radiation is used in medical imaging to detect broken bones and teeth?
What is the purpose of using ultraviolet light in food and water?
What is the purpose of using ultraviolet light in food and water?
What is the acronym used to remember the colours of the visible spectrum?
What is the acronym used to remember the colours of the visible spectrum?
Which type of radiation is used in astronomy to study the chemical composition of celestial bodies?
Which type of radiation is used in astronomy to study the chemical composition of celestial bodies?
What is the range of colours that make up the visible spectrum?
What is the range of colours that make up the visible spectrum?
What is the purpose of using gamma rays in cancer treatment?
What is the purpose of using gamma rays in cancer treatment?
What is the type of radiation used in microwave ovens?
What is the type of radiation used in microwave ovens?
