Optics Quiz True or False

1. We're standing between the focal point of a concave mirror and the mirror. What do we see? -> enlarged, upright, virtual image
2. Young's Double Slit Experiment illustrates -> the wave nature of light
3. Oranges look orange because -> they reflect only orange light
4. When two waves of the same wavelength meet peak to peak they -> interfere destructively to form a wave with a larger amplitude
5. Looking at a 2 m tall tree through a convex lens and creates an image 1 m tall and upside down. Where is the tree relative to the lens and its focal point? -> between the focal point and the lens
6. We see a larger, right side up version of ourselves in a concave mirror. We look twice as tall as we really are while standing 4 m from the mirror. At what distance from the mirror is the image formed? -> 4 m
7. Light moves from a medium with a high index of refraction to one with a low index of refraction. The light will: -> will experience total internal reflection
8. We position a lens such that a tree is between the focal point F and 2F of the lens. We also measure that the tree is 5 m away from the lens and that the distance from the lens to the point at which the image is formed is also 5 m. What is the focal length of this lens? -> -2.5 m
9. The magnification factor of an upside down image is -> either positive or negative
10. A person looking in a concave mirror standing between the center of curvature and the focus is 1.6 m tall and the image height is 16 m. What is the magnification factor? -> 0.1

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