Monday, July 30, 2007

ray diagram

Ray diagram:

procedure:

1) Place the mirror and place its center.
2) Put the pin infront of the mirror.
3) then view it on the other side.
4) then you'll see the reflected image.
5) extend the reflected ray at the back of the mirror by drawing a line.
6) then place a pin at the image.


analyze the diagram.

theyre just the same.

same angle, same size and position. ;p

Saturday, July 28, 2007

reflectionsssssss

What's with optics??? errr.....

All i really know about the light formulas are...


the object's theta is equal to the reflection's theta...


then...



the distance of the image, distance of the object....


height of the object and height of the image!!!


whew!!!



ho over do crossed multiply to negative hi over di.... ???




and also... i know about the concave and convex mirror!!!



and i guess... i need to practice the transposing of formulas...




it's quite confusing...... ;p

Monday, July 16, 2007

Im not CALL PARENT!


Just Be Happy


wee! I'm glad that i'm not call parent. Although its just points ahead from the passing grade. PASSING is what really matters... yehey!!!


Im just a bit disappointed bec. I should've got a higher grade in the long test if not bec. of my stupidity!!! wah... First, in the test two, i labeled my answers incorrectly! I'm so careless... eerrr... I wish to do better the next time so that I'll get a higher grade. Good luck to me!!! ;p


;p