Mirror Equation Video Lessons

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Problem: Suppose you wanted to start a fire using sunlight and a mirror. Which of the following statements is most accurate? a) It would be best to use a plane mirror. b) It would be best to use a convex mirror. c) It would be best to use a concave mirror, with the object to be ignited positioned halfway between the mirror and its center of curvature. d) It would be best to use a concave mirror, with the object to be ignited positioned at the center of curvature of the mirror. e) One cannot start a fire using a mirror, since mirrors form only virtual images.

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Problem Details

Suppose you wanted to start a fire using sunlight and a mirror. Which of the following statements is most accurate?

a) It would be best to use a plane mirror.

b) It would be best to use a convex mirror.

c) It would be best to use a concave mirror, with the object to be ignited positioned halfway between the mirror and its center of curvature.

d) It would be best to use a concave mirror, with the object to be ignited positioned at the center of curvature of the mirror.

e) One cannot start a fire using a mirror, since mirrors form only virtual images.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mirror Equation concept. You can view video lessons to learn Mirror Equation. Or if you need more Mirror Equation practice, you can also practice Mirror Equation practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Douglas took 4 minutes and 58 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Buehrle's class at UMD.