Light_GB_welsh

Light_GB_welsh - Ni all olau basio trwy defnyddiau...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Sut yr ydym yn gweld gwrthrychau BYD
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Golau
Background image of page 2
O ble mae goleuni’n  dod? Ein prif  ffynhonnell: yr haul
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ffynonellau eraill:
Background image of page 4
Trefnu ffynonellau golau Naturiol v. Annaturiol
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Pa rai sy’n cynhyrchu golau? Dydy rhain ddim yn CYNHYRCHU golau – yn hytrach, mae’n nhw’n ADLEWYRCHU golau.
Background image of page 6
Sut ydy golau’n teithio? Mae goleuni’n teithio mewn llinellau syth o ffynhonnell goleuni.
Background image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Ni all olau basio trwy defnyddiau di-draidd , megis pren, metel, carreg neu berson. Mae goleuni’n gallu pasio trwy defnyddiau tryloyw , fel gwydr. Mae defnydd tryleu yn gadael ychydig o olau trwodd, ond dim digon i allu weld yn glir – er enghraifft bocs bwyd plastig, neu papur sidan. Ffynhonnell golau...
View Full Document

This note was uploaded on 11/29/2011 for the course PHYS 122 taught by Professor Terry during the Fall '11 term at BYU.

Page1 / 7

Light_GB_welsh - Ni all olau basio trwy defnyddiau...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online