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demonstrations:4_thermodynamics:4a_thermal_properties_of_matter:differential_thermometer:start

Differential Thermometer

Description

Demonstrates that black is a good heat absorber.

heat absorption, Kirchoff's Radiation Law

Useful Links: How Stuff Works provides a brief explanation of why the colour black is a good absorber.

Updated on: 06/19/13

Purpose

To show that a black surface absorbs heat more readily than a bright or shiny surface.

Apparatus

differential thermometer, light

Setup

Even the levels of liquid in the U-tube by opening the valve. Close the valve and direct the light on both the black and shiny bulbs. The levels will change.

Notes

Demo room information

Location C2
Maker Unknown
Current State Working
demonstrations/4_thermodynamics/4a_thermal_properties_of_matter/differential_thermometer/start.txt · Last modified: 2020/03/13 20:33 by demoroom