Stefan–Boltzmann Constant

Stefan–Boltzmann Law – Virtual Laboratory

Aim

To determine the Stefan–Boltzmann constant using a virtual copper hemisphere apparatus.

Virtual Apparatus

Copper Hemisphere
30 °C

Test Disc
30 °C

Controls

Dimmer (Heater Power)

Power Level: 0%

Stopwatch

00:00

Observation Table

Time (s)	Disc Temperature (°C)

Result

Experimental Stefan–Boltzmann Constant:

σ = – W/m²K⁴

Theoretical value = 5.67 × 10⁻⁸ W/m²K⁴