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Hint: The study of the materials at extremely low temperature is cryogenics. This cold temperature changes the chemical properties of material and hence helps the researchers in their research. We will observe its ranges at different scales and then see which one is used as scale of temperature in Cryogenics
Complete step by step answer:
Cryogenics is generally for the behavior of material at very low temperatures. Its range in Celsius is defined as:
- 150° C to - 273° C
- 273° C is known as the absolute zero as the motion of particles tend to seize completely (theoretically)
Its range can be defined in all the scales given in the option.
Fahrenheit: - 238° F to - 460° F
Kelvin: 123 K to 0 K (0 K = Absolute zero)
We can observe all the other ranges take negative values except for the Kelvin. It is preferred over other scales.
Therefore, the scale of temperature used in Cryogenics is Kelvin scale, option A).
Additional Information: Cryogenics uses:
Producing cryogenic fields for rockets, MRI machines using helium, storing food, freezing blood samples, cooling superconductors, etc.
Note:The range / values can be converted from Celsius to Kelvin as:
Celsius + 273 = Kelvin
Celsius (C) and Fahrenheit (F) are used with the symbol of degree (°) whereas Kelvin (K) is always used without it.
Complete step by step answer:
Cryogenics is generally for the behavior of material at very low temperatures. Its range in Celsius is defined as:
- 150° C to - 273° C
- 273° C is known as the absolute zero as the motion of particles tend to seize completely (theoretically)
Its range can be defined in all the scales given in the option.
Fahrenheit: - 238° F to - 460° F
Kelvin: 123 K to 0 K (0 K = Absolute zero)
We can observe all the other ranges take negative values except for the Kelvin. It is preferred over other scales.
Therefore, the scale of temperature used in Cryogenics is Kelvin scale, option A).
Additional Information: Cryogenics uses:
Producing cryogenic fields for rockets, MRI machines using helium, storing food, freezing blood samples, cooling superconductors, etc.
Note:The range / values can be converted from Celsius to Kelvin as:
Celsius + 273 = Kelvin
Celsius (C) and Fahrenheit (F) are used with the symbol of degree (°) whereas Kelvin (K) is always used without it.
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