Recent content by binhnguyent9

oh ok, thanks a lot. i think i misread the question first. thanks so much for your help

well the convex len can produce a real image, and m=-image distance/ object distance. i have try everything, and i don't know why it keep tell me i am wrong, if you don't mind can you do one of the part, then i can check it? thanks a lot for your help

i did use it, but for no reason when i put back to the answer, they said it is incorrect

Homework Statement For each thin lens shown in the figure , calculate the location of the image of an object that is 18.5 {\rm cm} to the left of the lens. The lens material has a refractive index of 1.50, and the radii of curvature shown are only the magnitudes...

Homework Statement You are standing in front of a lens that projects an image of you onto a wall 2.80 {\rm m} on the other side of the lens. This image is three times your height. How far are you from the lens? Is your image erect or inverted? What is the focal length of the lens? Is the...

Homework Statement If the focal length of the concave lens is -7.50 cm, at what distance d_o from the lens should an object be placed so that its image is formed 3.70 cm from the lens? What is the magnification m produced by the concave lens described in above? Where should the object be...