02.50: Two thin lenses each with a focal length of +10 cm are located 30 cm apart with their optical axes aligned as shown. An object is placed 35 cm from the first lens. After the light has passed through both lenses, at what distance from the second lens will the final image be formed?

  05.41: In a system of lenses, it is 2rs*gq je8pyz (, c*wtt h2w8wreported that when the calculation of the magnification was performed on a diverginz 2e(wyttr88gj qcw*p 2*s,whg lens that has focal length of magnitude f, the image size was identical to that of the object. How is this possible?

  07.43: Which of the following best represents the ray dix. *qti3g*yt aagram construction for finding the image formed for the virtual object shown? The solid dot*.*xyq3 ttia gs on either side of the lens locate the equal magnitude foci of the lens.

  15.34: An upward-pointing object is placed 15.0 cm to tswru qf58-q,c t)ka1rhe left of a lens system. The first lens is convex with focal length 10.0 cm. The second lens is convex with focal length 10 c???? and its 1a 5wfcr, rk)tu-8sqqlocation from the first lens is varied from 10 cm away to 110 cm away. Which one of the following choices best represents the description of the final image formed as the second lens is moved from x = 10 cm to x = 110 cm from the first lens?