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L3-17: FOCUSING OF HEAT WAVES - ARC LAMP AND PARAB 9 years 11 months ago #855

  • zzfixk21
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ID Code: L3-17
Purpose: To demonstrate focusing of heat waves by a concave mirror.
Description: The arc lamp with condenser lens produces a nearly parallel beam of heat. The parabolic concave mirror focuses the heat onto the match head, lighting the match in about ten seconds from a distance of about ten feet.
Availability: Available

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