ok i got it now.. but now i got next problem
float(2*10*tan(arcsin(1/1.33))) = 22.80841284
this one:
a compound microscope is made using a 2cm focal length lens as objectiv an a 10cm focal lenth lens an a eyepiece. the lenses are sepeerated by 30cm, and the final image is viewed...
ok
also i understand the basic now.. the picture. but i don't know really what i have to calculate..
i know 10m to the surface when he looks straight up. what is 90 degree with the bottem
the next i know is the tir should be 48.6 degree.. that's the maxc or its not anymore refracting...
other prob
so, i have another prob too:
i tried to calculate b:
a. Draw a diagram to show a convex lens of focal length 10cm being used as a simple microscope( magnifying glass) producing an image at the distance of distinct vision -- erledigt!
b. what is the angular magnification of...
hi, i got a real problem. i have a question here and have absolut no clue what i have to do and which equation i have to use...
( for my shame, i was sick at that time we done it in school..)
question:
A diver is at the bottom of a lake, which is 10m deep. if he looks straight up he...