At what temperature are kelvin and fahrenheit the same

Asked by admin @ 13/08/2021 in Physics viewed by 255 People

The Fahrenheit and kelvin scales of temperature will give the same reading at

Answered by admin @ 13/08/2021

To convert Celsius into Kelvin we can use the formula:
K = C + 273.2 . . . . . . . ..(1)

To convert Fahrenheit into Kelvin we use the formula:
F = (9/5)C + 32 . . . . . . . (2)

At certain temperature, if the "K" & "F" readings are the same,
K° = F°
C + 273.2 = (9/5)C + 32
273.2 - 32 = (9/5)C - C
241.2 = .8C
C = 241.2 / .8 = 301.5

Substitute this value in equations (1) & (2)
K = 301.5 + 273.2 = 574.7°
F = (9/5) 603 + 273.2 = 574.7°

At this temperature, both the thermometers will read the same when kept at the same substance.

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At what temperature are kelvin and fahrenheit the same

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