Temperature Scales and Conversions

The video tutorial explains thermometry using the zeroth law of thermodynamics. It describes how a mercury thermometer measures temperature through thermal expansion. The video covers thermometric properties, thermal equilibrium, and different temperature scales: Celsius, Fahrenheit, and Kelvin. It details the calibration of these scales based on ice and steam points and provides conversion formulas between them.

What principle is used in thermometry to measure temperature?

• Third law of thermodynamics

• Second law of thermodynamics

• First law of thermodynamics

• Zeroth law of thermodynamics

What property of mercury is utilized in a thermometer to measure temperature?

• Magnetic properties

• Optical clarity

• Thermal expansion

• Electrical conductivity

Which of the following is a thermometric property?

• Density

• Mass

• Volume

• Color

What is the freezing point of water on the Celsius scale?

• 100 degrees

• 273.15 degrees

• 32 degrees

• 0 degrees

On the Fahrenheit scale, what is the boiling point of water?

• 100 degrees

• 32 degrees

• 212 degrees

• 273.15 degrees

What is the SI unit of temperature?

• Celsius

• Fahrenheit

• Kelvin

• Rankine

How many divisions are there between the ice point and steam point on the Fahrenheit scale?

• 100

• 180

• 212

• 273

What is the ice point in Kelvin?

• 373.15 K

• 273.15 K

• 32 K

• 0 K

Which formula correctly converts Celsius to Fahrenheit?

• (C + 32) × 5/9

• (C × 5/9) + 32

• (C - 32) × 9/5

• (C × 9/5) + 32

What is the relationship between 0 degrees Celsius and Fahrenheit?

• 0 degrees Celsius = 273.15 degrees Fahrenheit

• 0 degrees Celsius = 0 degrees Fahrenheit

• 0 degrees Celsius = 32 degrees Fahrenheit

• 0 degrees Celsius = 100 degrees Fahrenheit