Radiometer

This demonstration shows radiation pressure. The radiometer consists of vanes with one black side mounted on a spindle inside a partial vacuum. The vanes will spin when light hits them.

* Equipment seen in the video may vary from equipment used in ND Demonstrations. See information and images below for ND equipment and setup.

Setup:

Place the radiometer and lamp on the demo table.

Turn the lamp on pointed at the radiometer and the vanes will spin.

A webcam can be added for easier viewing.

Notes:

None

Courses Used In:

Coming Soon

Discussion and Polling Questions:

Coming Soon

Equipment Needed:

• Radiometer

• Flood Lamp with Stand

• Webcam (optional)