WFU Department of Physics Wake Forest University

 

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WFU Physics Lecture Demonstrations

Cylindrical Lens

PIRA 6A65.56

Image:

Description:

Only 'LEAD' will appear to be inverted when viewed through a cylindrical lens. Why?

Recipe and
Location:

Cylindrical Lens
LEAD OXIDE

Video:

Streaming Video:

None

MPG Video:

None

Real Video:

None

Notes:

OXIDE has a line of symmetry horizontally, down the middle...thus it looks the same when inverted. A font that exhibits this symmetry MUST be used.

 

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100 Olin Physical Laboratory
Wake Forest University
Winston-Salem, NC 27109-7507
Phone: (336) 758-5337, FAX: (336) 758-6142
E-mail:
wfuphys@wfu.edu