To ignite the object, we need to use a mirror that converges reflected rays onto the object.
We cannot use a convex mirror because it diverges reflected light rays.
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 concave mirror, with the object to be ignited positioned at the center of curvature of the 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 convex mirror.
E) One cannot start a fire using a mirror, since mirrors form only virtual images.
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