7a) The lens equation is
Answer
b) The magnification of the lens is
therfore the diameter will also reduce by a factor of 3 thus new diameter = 4/3 = 1.33 cm
Answer: 1.33 cm
c) The magnification is given by
m = 4 therefore di = - 8 cm . That is it is formed 8 cm behind the lens in an upright virtual image
The lens equation is
Answer
Problems HW: Solve the following on grid paper using a compass or circular object to make a decent circle. Scale your diagram properly. DO NOT try to write the answers on this page. They just wo...