Week 6 DAYLIGHT - ocw.upj.ac.id · CAHAYA - LIGHT The most beautiful thing in this world can not been seen without LIGHT - ‘something’ that makes vision possible - the sensation

Week 6DAYLIGHT

CAHAYA -LIGHT

The most beautiful thing in this world can not been seen without LIGHT

- ‘something’ that makes vision possible- the sensation aroused by stimulation of the visual receptors

Bayangan dengan satu sumber cahaya

Bayangan dengan dua sumber cahaya

Bayangan dengan sumber cahaya besar (matahari/bintang)

CAHAYADalam bentuk gelombang

Gelombang elektromagnetik Panjang gelombang: 380-780 nm Frekuensi: 3.8 x 1014 – 8.3 x 1014 Hz Kecepatan: 3 x 108 m/s