Introduction to the light 1

Page 1 <img data-url='document/introduction-to-the-light-1.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/1.jpg' width='140' height='200' /> Light

Page 2 <img data-url='document/introduction-to-the-light-1.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/2.jpg' width='140' height='200' /> Where does light come from?

Page 3 <img data-url='document/introduction-to-the-light-1.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 3: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/3.jpg' width='140' height='200' /> Where does light come from?

Our major light

source:the Sun

Page 4 <img data-url='document/introduction-to-the-light-1.html?page=4' data-page='4' class='cut-thumb lazyload' alt='Page 4: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/4.jpg' width='140' height='200' /> Where else does light come from?

Page 5 <img data-url='document/introduction-to-the-light-1.html?page=5' data-page='5' class='cut-thumb lazyload' alt='Page 5: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/5.jpg' width='140' height='200' /> Sorting light sources

Natural vs. Man-made (artificial)

Page 6 <img data-url='document/introduction-to-the-light-1.html?page=6' data-page='6' class='cut-thumb lazyload' alt='Page 6: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/6.jpg' width='140' height='200' /> Are these light sources?

moonwater

mirror

.

Page 7 <img data-url='document/introduction-to-the-light-1.html?page=7' data-page='7' class='cut-thumb lazyload' alt='Page 7: Introduction to the light 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022031904/55cde210bb61eb036c8b48bc/html5/thumbnails/7.jpg' width='140' height='200' /> Are these light sources?