Suppose you were stranded on a desert island with only a convex lens and a mirror. Describe how you could use each of these tools to signal for help. Use paragraph form.
With the convex lens, I could start a fire by focusing sunlight onto a small pile of dry leaves or sticks. By angling the lens towards the sun and moving it back and forth, I could create a small concentrated spot of light that is hot enough to ignite the dry material. The smoke produced by the fire could act as a signal for passing ships or planes.
Using the mirror, I could create flashes of light to signal for help. By angling the mirror towards the sun and moving it in a circular motion, I could reflect sunlight towards potential rescuers. The flashes of light would be able to catch the attention of passing ships or airplanes, especially during clear days when the sunlight is strong.
By utilizing both the convex lens and mirror, I would have multiple ways to signal for help and increase my chances of being noticed by rescue teams. These tools would be essential in alerting others to my presence on the desert island and increase the likelihood of being rescued.