session. Your score on the pre-lab is added to you 1. (S pts.) If an object, len

Question

session. Your score on the pre-lab is added to you 1. (S pts.) If an object, lens, and screen are positioned so that a real image is the screen, how will the image change i Explain your reasoning. f half of the lens is covered by a piece of paper? oc en 2. (2 pts.) Light rays travel from air into 2 double convex glass lenses, which are identical except that Lens 2 has a much higher index of refraction n than Lens 1. Which lens will produce an image closer to the lens? Why? 3. If you draw the 3 principal rays on a ray tracing diagram and they do not converge... a) (1 pt.) What can you conclude about the image? b) (2 pts.) How can you still use the rays to locate the image?

Explanation / Answer

1. Full image will be formed, as as that of first one. The only difference will be of intensity . half covered lens's image will be slight less intense than full lens's image.

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