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A smart watch uses a green LED to measure a person's pulse by shining green light into the red blood in the person's wrist - Junior Cycle Science - Question e - 2019
Question e
A smart watch uses a green LED to measure a person's pulse by shining green light into the red blood in the person's wrist. Describe one other technological applica... show full transcript
Worked Solution & Example Answer:A smart watch uses a green LED to measure a person's pulse by shining green light into the red blood in the person's wrist - Junior Cycle Science - Question e - 2019
Step 1
Describe one other technological application of physics that is used in everyday life.
Answer
One significant technological application of physics used in everyday life is the microwave oven.
Description of the Application
Microwave ovens utilize microwave radiation, a form of electromagnetic radiation, to heat food. When the microwave is turned on, it generates microwaves that excite water molecules in the food, causing them to vibrate and produce heat. This process cooks the food from the inside out.
Importance
The microwave oven has revolutionized the way we cook, allowing for quick and efficient meal preparation. Its convenience in reheating leftovers or cooking meals in a fraction of the time compared to conventional cooking methods emphasizes the significant impact of physics in modern technology.