NONESENSE=REPORT
FACT OR BLUFF
1. Image formed by a plane mirror is always erect, reserved, the same size as the object, and found behind the mirror.
2. The focal length of a spherical mirror with a small opening is one-half the radius of curvature.
3. The incident ray, the refracted ray, and the normal to the surface at the point of incidence are all in the same plane.
4. The image in a concave mirror is always smaller than the object, erect, and located behind the mirror.
5. Refraction is the change of speed in light waves a move from one medium to another.
6. A mirror is a transparent object with at least one curved side that causes light to refract.
7. An image produced by a concave key maybe larger than the actual object.
8. Convex lenses produce only virtual images.
9. Concave lenses can be used to produce both real and virtual images.
10. Concave eyeglass lenses are used to correct near sightedness while convex lenses correct fasightedness.
Answers & Comments
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