Translate:
English
Chinese (S)
Chinese (T)
Croatian
Dutch
French
German
Hebrew
Italian
Japanese
Korean
Portuguese
Russian
Serbian
Spanish
Swedish
Turkish
Additional
umbra
English Wikipedia - The Free Encyclopedia
Download this dictionary
Umbra, penumbra and antumbra
The
umbra
,
penumbra
and
antumbra
are three distinct parts of a
shadow
, created by any light source after impinging on an
opaque
object. For a point source only the umbra is cast.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License