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Question
Which radiation is non ionizing and has more specific biological effects than others?
Which radiation is non ionizing and has more specific biological effects than others?
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Solution
The correct option is C Infrared rays
Non-ionizing radiation is a part of the electromagnetic spectrum. These radiations do not have sufficient energy to cause ionization. These radiations have low frequency and at long wavelengths, it has enough energy to excite molecules and atoms, which in turn cause these molecules to vibrate faster. For example, in a microwave oven, the water molecules vibrate faster and produce heat. The heat produced by these atoms result in affecting human beings. For example, skin and eyes absorb infrared radiation (IR) as heat. Thus, people exposed to IR normally notice excessive exposure through heat sensation and pain. Sources of IR radiation include furnaces, heat lamps, and IR lasers.X-rays, gamma rays and beta rays are types of ionizing radiation. Thus, the correct answer is 'Infrared rays'.
Non-ionizing radiation is a part of the electromagnetic spectrum. These radiations do not have sufficient energy to cause ionization. These radiations have low frequency and at long wavelengths, it has enough energy to excite molecules and atoms, which in turn cause these molecules to vibrate faster. For example, in a microwave oven, the water molecules vibrate faster and produce heat. The heat produced by these atoms result in affecting human beings. For example, skin and eyes absorb infrared radiation (IR) as heat. Thus, people exposed to IR normally notice excessive exposure through heat sensation and pain. Sources of IR radiation include furnaces, heat lamps, and IR lasers.
X-rays, gamma rays and beta rays are types of ionizing radiation.
Thus, the correct answer is 'Infrared rays'.
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