Recognize various uses of different parts of the electromagnetic spectrum, such as: (a) radio waves for radio and TV broadcasts, radar; (b) microwaves for satellite TV, mobile phones, and microwave ovens; (c) infrared for TV remote controls and thermal imaging; (d) visible light for seeing and photography; (e) ultraviolet for identifying counterfeit banknotes; (f) X-rays for medical imaging and security checks; (g) gamma rays for cancer detection and treatment.

Quick explanation

Recognize various uses of different parts of the electromagnetic spectrum, such as: (a) radio waves for radio and TV broadcasts, radar; (b) microwaves for satellite TV, mobile phones, and microwave ovens; (c) infrared for TV remote controls and thermal imaging; (d) visible light for seeing and photography; (e) ultraviolet for identifying counterfeit banknotes; (f) X-rays for medical imaging and security checks; (g) gamma rays for cancer detection and treatment

• This point belongs to Electromagnetic spectrum, especially Electromagnetic spectrum outcomes.
• You need to be able to recognize various uses of different parts of the electromagnetic spectrum, such as: (a) radio waves for radio and TV broadcasts, radar; (b) microwaves for satellite TV, mobile phones, and microwave ovens; (c) infrared for TV remote controls and thermal imaging; (d) visible light for seeing and photography; (e) ultraviolet for identifying counterfeit banknotes; (f) X-rays for medical imaging and security checks; (g) gamma rays for cancer detection and treatment.
• The key ideas to know are Identify, Describe, and Discuss.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.