Lesson
Lesson-11.1.4- Describe typical properties and uses of radiations in all the different regions of the electromagnetic spectrum including: ??? electrical appliances, remote controllers for televisions and intruder alarms (infrared) ??? medicine and security (X-rays)
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Lesson-11.1.5- Demonstrate an awareness of safety issues regarding the use of microwaves and X-raysPreviousLesson-11.1.3- Describe typical properties and uses of radiations in all the different regions of the electromagnetic spectrum including: ??? radio and television communications (radio waves) ??? satellite television and telephones (microwaves).Next