Optics Pt.2 Flashcards
What is the Mirror Equation?
1/f = 1/Do+1/Di
What is Do and Di?
Do = distance of object
Di = Distance of image
What does it mean in Di is positive? Negative?
Di is pos = Real image
Di is neg = Virtual image
What does it mean if F is neg or pos?
F (-) = Concave mirror
F(+) = Convex Mirrpr
What is the Magnification equation?
M = Hi/Ho = -Di/Do
What is Hi and Ho
Hi = Height of image
Ho = Height of Object
What does it mean if the height of the image is postitive?
If Hi/m is pos = Upright and virtual
If Hi/m is neg = Inverted/upside down and Real
What is Do always?
Positive
What does it mean if Di is positive? Negative?
Di pos = image is real
Di neg= image is virtual
Ho is always ?
Positive
What does it mean when image is upright? Inverted?
Hi is positive when upright
Hi is negative when inverted
What does it mean if light can pass through F in a convex lens? What about when it can’t in a concave?
When light can pass through F in a convex lense F is positive
When light cannot pass through F in a concave lense F is negative
In general what does + and - mean?
+ means real or upright
- means virtual or inverted
What is diverging lense lost
L - between F & O
O- upright
S- smaller
T- virtual
When object is beyond 2F in converging state lost
L - btw C and F
O- inverted
S- smaller
T- real
When object is at 2F in converging what is lost
L- at 2F
O- inverted
S- same size
T-real
Between 2F and F what is LOST converging
L- beyond 2F
O- inverted
S- bigger
T- real
At F lost converging
No image forms