Which one among the following denotes the smallest temperature?

CONCEPT:

Temperature: It is defined as a degree of hotness or coldness of a body.

• The SI unit of heat is Kelvin (K).

Temperature scale:

• Centigrade Scale
• Fahrenheit Scale
• Kelvin Scale
• Reaumur Scale

Relation among these scales.

Kelvin < Reaumur < Celsius < Fahrenheit.

EXPLANATION:

• Kelvin < Reaumur < Celcius < Farhenheit.

Important Points

• Celsius and Fahrenheit are equal at -40°.
• In kelvin degree is not used.
• The average normal body temperature is 98.6°F (37°C).