How would you construct a labled ray diagram that has numberfor the following problem. A bright object and a viewing screen are separated by adistance of 66cm. At what locations between the object and thescreen should a lens of focal length 12.5cm be placed in order toproduce a crisp image on the screen. How would you construct a labled ray diagram that has numberfor the following problem. A bright object and a viewing screen are separated by adistance of 66cm. At what locations between the object and thescreen should a lens of focal length 12.5cm be placed in order toproduce a crisp image on the screen.
Explanation / Answer
given the distance between the object and screen is = 66cm let the object distance from the lens is d o = X cm then the image distance is di = 66 cm - Xcm from the lens equation we have 1/f = 1/do + 1/di plug in the values and calculate for X