Difference between revisions of "NCERT - 8 - Science :: Light"

[Author - Kripa S]

http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0855-Vigyan/Chapter-16/index.html (NCERT Hindi Medium)

http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0854-Science/Chapter-16/index.html (NCERT English Medium)

https://drive.google.com/open?id=0BzNF2YyqQxJ-WDJPTjB4QmhmcTQ (JEPC Board) (Hindi Medium)

[Author - Kripa S]

https://www.youtube.com/watch?v=vt-SG7Pn8UU (reflection of light in English)

https://www.youtube.com/watch?v=rCznJTP3cVQ (light and shadows)

https://www.youtube.com/watch?v=Jo1UZgGTtUs (properties of light)

[Author - Anu Nived]

http://images.tutorvista.com/cms/images/95/angle-of-incidence.png (angle of incidence and reflection)

http://aven.amritalearning.com/userfiles/1/image/16_5.jpg (reflection of light)

http://www.vacuumcoating.info/wp-content/uploads/2011/09/RW_Fig1-450x138.png(types of reflection)

http://angelgilding.com/media/wysiwyg/Angles90deg.jpg (multiple images)

https://s-media-cache-ak0.pinimg.com/236x/4b/39/25/4b39250884cd07e52eabdd94ce95f4cc.jpg (Human eye)

http://fontmeme.com/images/Braille-Alphabet-550x466.png (braille system)

[Author - Arshea Bimal]

1. https://www.youtube.com/watch?v=A1Fxa_JI1HQ (what lenses and mirrors do with light)

2. https://www.youtube.com/watch?v=iPUXgOKSUpg (sunlight your home)

2. It is possible to cast multiple shadows of an object at the same time. Try to understand how this can be done and try to create this on your own. Observe the intensity of the shadow in this case. Observe the players in a day-night cricket match.

3. Observe and understand how and why the length of the shadow of a light pole changes during the day.

[Author -Amitesh Patara]

https://drive.google.com/open?id=0BzNF2YyqQxJ-STMwMTZHbk1sdzg

[Author -Amitesh Patara]

https://drive.google.com/open?id=0BzNF2YyqQxJ-VTNNUjRucmhBWk0