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applied science - unit 21 A and B - physic - distinction level
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this is the combination of unit A and B . it up to distinction level
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BTEC UNIT 25CHIAMAKA UDOYE
, What is ionizing radiation
• The term "ionizing radiation" describes a class of energy that has the power to ionize, or take electrons
away from, atoms and molecules.
• This energy, which can take the form of electromagnetic waves or particles, is frequently distinguished by
its high frequency and energy levels.
• Ionizing radiation has a unique ability to penetrate matter, including solid objects and living tissue. This
property is one of its main characteristics.
• This makes it practical for a range of uses, including radiation therapy, industrial inspections, and medical
imaging. The ionization process can harm cells and DNA, so radiation's ionizing properties can also have a
detrimental impact on living things.
• Cancer risk as well as other health issues may rise as a result of this. Ionizing radiation still has a
significant impact on a variety of industries, including energy production and medicine, despite the
potential risks it poses.
• To reduce the risks associated with ionizing radiation while still utilizing its many benefits, scientists and
engineers are working to create new technologies and security measures. Ionizing radiation is a
significant and intricate subject that has both advantages and disadvantages and necessitates thoughtful
management.
, What is non- ionizing radiation
• The term "non-ionizing radiation" refers to electromagnetic radiation types that do not have enough energy to ion
atoms or molecules and do not, as a result, significantly increase the risk of cancer or other health issues.
• Compared to ionizing radiation, this type of radiation is distinguished by its lower frequency and energy levels. R
waves, microwaves, visible light, ultraviolet light, and infrared radiation are a few examples of non-ionizing radi
• These radiation types are used for a variety of purposes, such as heating, lighting, and telecommunications. Non-
ionizing radiation is widely used in the telecommunications industry, where radio waves and microwaves are used
transmit data wirelessly. As a result, technologies like cell phones, Wi-Fi, and Bluetooth are now widely used,
revolutionizing the way we communicate.
• Non-ionizing radiation is used in the field of medicine for diagnostic imaging techniques like magnetic resonance
imaging (MRI) and ultrasound. These innovations make it possible for medical professionals to view inside the h
body without subjecting the patient to ionizing radiation, making them crucial tools for the early diagnosis and
treatment of medical conditions.
• Non-ionizing radiation is used widely, but there are worries about its possible negative effects on health, especial
with regard to prolonged exposure. Non-ionizing radiation exposure and a higher risk of developing cancer have
linked in some studies, but not in others. In general, non-ionizing radiation is a vital and frequently used source o
energy that is essential to our daily existence.
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