lab phy2
DESCRIPTION
LabTRANSCRIPT
D = v + u d= v - u : D + d = 2vv = ( D + d ) / 2 : D - d = 2uu = ( D - d ) / 21/f = 1/u + 1/v ---> : f = ( u x v ) / ( u + v )
u v f = { ( D + d ) /2 x ( D - d ) /2 } /{ ( D + d ) /2 + ( D - d ) /2 }
f = { ( D^2 - d^2 ) / 4 } / ( 2D /2 )
### f = ( D^2 - d^2 ) / 4D