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الي يبي مراجعة ف الايكوسستم
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Which of the following is electromagnetic radiation
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Electromagnetic radiations differ from one another only in their
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The arrangement of electromagnetic radiations according to wavelength or frequency is called
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Which radiation has the longest wavelength
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If the wavelength of a radio wave is 2.5 𝑐𝑚, what is its frequency
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Calculate the total energy produced by 3×108 photons of wavelength3.96×10−17 𝑚
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Radiation exposure in air is measured as
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Absorbed dose is defined as
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Equivalent dose is calculated as
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Effective dose takes into account:
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The energy of electromagnetic radiation depends on
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Which type of radiation has the highest photon energy
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The relation between energy and wavelength is
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The unit of radiation exposure is
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