If the temperature of a furnace A is 1450°C, the temperature of the furnace B which is 40°C colder is .

1683.15 K

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1883.15 K

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1138.15 K

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Solution

The correct option is A 1683.15 K
Temperature of furnace A = 1450°C

Furnace B is 40°C colder than furnace A.
So, temperature of furnace B = 1450°C - 40°C
Temperature of furnace B = 1410°C

We know that
Kelvin = Celsius + 273.15
Kelvin = 1410 + 273.15
Kelvin = 1683.15
Hence, temperature of furnace B = 1683.15 K

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