Question:

Which measure of temperature is the biggest measure in kelvin, degree centigrate, celcius and Fahrenheit?????

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hi!!!

can u plz tell me that which UNIT of temp. is the biggest among these:-

kelvin, degree centigrate, celcius and Fahrenheit

for example in measure of computer memory we describe:-

TB>GB>MB>KB>Byte.........so on..

plz be detailed and give reasone also.....

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3 ANSWERS


  1. They're different scales and unlike computer sizes are not directly comparable

    Kelvin - the degrees are at the same size, however, 0 is absolute zero (i.e -273 degrees celsisus and it is therefore impossible to have a negative temperature. For large temperatures, e.g. over 1000 degrees Kelvin and Centigrade are used interchangeably as 273 degrees is not that much.

    Centigrade/Celsisus (the terms are interchangeable and are the same scale) is based on the freezing and boiling points of water - zero is the point at which water freezes and 100 is the point at which water boils (at normal atmospheric pressure).

    Farenheit is mainly used only in the USA now, British weather forecasts are given in Celsius/centigrade  although the sometime say "Thats XX in Farenheit" as the elderly don't understand Centigrade.

    The unit in science is always Kelvin or Centigrade never Farenheit.


  2. Kelvin temperature is defined by

    [K] = [°C] + 273.15; hence temperature in Kelvin will always be 273.15 greater than the Celcius figure.

    http://en.wikipedia.org/wiki/Kelvin

    The Faranheit temperature is in an interesting relationship with the Celcius temperature.

    http://en.wikipedia.org/wiki/Farenheit

    [°F] = [°C] × 9⁄5 + 32

    This relationship comes from the very definitions of the two standards.

    Water freezes at 0 [°C] and boils at 100 [°C] under 1 ATM, whereas it freezes at 32 [°F] and boils at 212 [°F] under 1 ATM.

    For comparison, the Kelvin and Farenheit temperatures are related by conversion equation

    [K] = ([°F] + 459.67) × 5⁄9

    Let us find out in what range of temperatures these three temperature readings can be put in a neat order.

    1. When are temperature readings in C and F equal?

    x[°F] = x[°C] × 9⁄5 + 32

    - 32 = x*4/5

    x = - 32*5/4 = - 8*5 = - 40

    This means at - 40 [°C], the Farenheit temperature will also be - 40 [°F].

    2. When are temperature readings in K and F equal?

    x[K] = (x[°F] + 459.67) × 5⁄9

    x*9/5 = x + 459.67

    x *4/5 = 459.67

    x = 459.67 * 5/4 = 574.59

    This means at 574.59  [K], the Farenheit temperature will also be 574.59 [°F].

    Taking the Farenheit temperature as the common measure,

    for temperatures x < - 40, [°F] <  [°C] < [K]

    for temperatures - 40 < x < 574.59, [°C] < [°F]  < [K]

    and

    for temperatures 574.59 < x,  [°C] < [K] < [°F].

    That sums up my response to your question.

  3. Kelvin

    starts at absolute 0  and goes on to measure temperature of the sun or lightening bolt.

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