Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 16 - Think and Do: 32

Answer

This is a hands-on demonstration. Use a clear bulb rather than a frosted bulb. Try this with your friends, and be prepared to explain the physics of the demonstration to them.

Work Step by Step

You feel the radiant energy from the filament. Much of it is in the visible portion of the electromagnetic spectrum, and passes through the glass without heating it.
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