Asked by ALan
An object located in front of a concave mirror with a radius of curvature of 80 cm produces an invert image that is three times the size of the object. Calculate the distance between the object and the mirror.
Answers
Answered by
ALan
I got stuck after i attempted to use 1/f=1/di+1/do, seeing as how i need di, which i don't have.
Answered by
drwls
The inverted image is real, and di/do = 3 because of the stated magnification.
The focal length is f = R/2 = 40 cm
1/do + 1/(3do) = 1/40
4/(3 do) = 1/40
160 = 3 do
Solve for do
The focal length is f = R/2 = 40 cm
1/do + 1/(3do) = 1/40
4/(3 do) = 1/40
160 = 3 do
Solve for do
Answered by
ALan
Thanks
Answered by
value
WHAT IS RESONANCE
Answered by
value
WHAT IS RESONANCE
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