0
Exposure to what, exactly? The most common kind of exposure that is used is exposure to electromagnetic radiation, especially in the higher intensities. One SI unit is the Gray (Gy). 1 Gray is equivalent to 1 Joule of energy absorbed by 1 kg of matter. More useful is the SI unit Sievert (SV), which accounts for type of radiation and all other pertinent factors.
Still curious? Ask our experts.
Chat with our AI personalities
Blake
Jordan
Maxine
Add your answer:
Earn +20 pts
What are the advantages of expressing measurements in normalized units?
Expressing measurements in normalized units allows for easier comparison and analysis of data across different scales and contexts. Normalized units remove the influence of varying scales and units, making it simpler to identify patterns and trends in the data. This can lead to more accurate and meaningful interpretations of the information being presented.
Can a quantity have units but still be dimension less give example?
Yes, a quantity can have units but still be dimensionless if the units cancel out when they are raised to the power of 0. For example, specific volume (volume per mass) has units of m^3/kg, but when you divide volume by mass, the units cancel out and it becomes dimensionless.
What is a proper unit?
A proper unit is a unit of measurement that is commonly accepted within a specific system of measurement, such as meters in the metric system or pounds in the imperial system. Proper units are used to quantify and express physical quantities accurately and consistently.
Why are several units associated with the same physical quantity?
Multiple units may be associated with the same physical quantity due to historical reasons (different regions developing their own units) or different systems of measurement (metric vs imperial). In some cases, units may be related by simple conversion factors, allowing for flexibility in expressing measurements.
What is the significance of expressing physical quantities in terms of hbar units?
Expressing physical quantities in terms of hbar units is significant because it allows for a more fundamental and universal understanding of quantum mechanics. The hbar unit, also known as the reduced Planck constant, is a fundamental constant in quantum mechanics that relates to the quantization of angular momentum and energy. By using hbar units, scientists can simplify calculations and compare results across different systems, leading to a more coherent and consistent framework for understanding the behavior of particles at the quantum level.
