Click the Run Now button to start the simulations. Select "Many rays" and click the Screen checkbox. You should see a lamp and a black screen. a. Examine the light rays that are emerging from the lamp. Are the rays near the light source diverging or converging? Where do the light rays change direction? b. For the light rays that do bend, think about which way those rays would travel if they had not bent. Explain why the lens must be a converging lens.

Question

26-02-2020
Physics

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Click the Run Now button to start the simulations. Select "Many rays" and click the Screen checkbox. You should see a lamp and a black screen. a. Examine the light rays that are emerging from the lamp. Are the rays near the light source diverging or converging? Where do the light rays change direction? b. For the light rays that do bend, think about which way those rays would travel if they had not bent. Explain why the lens must be a converging lens.

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dannwaeze45 dannwaeze45 · Answer 1 · 2020-02-27T05:36:16+01:00

Answer:

Answer explained below

Explanation:

(a) The rays are diverging near the lens. They change the direction when they passed through the converging lens

(b) If the light rays don't bend they will move away from the optical (principal axis) as the other waves are moving.

(c) If we decrease the distance between lens and light source, most of the rays diverge and no ray converges on the screen even after passing through the lens. Here is a screenshot.