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====== Differences ====== This shows you the differences between two versions of the page.
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exam_2_review [2014/05/14 05:11] nugentm [Review question 8] |
exam_2_review [2014/05/14 14:48] (current) wikimanager [Review problem 3] added solution |
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| * [....] B) $-36.4$ cm | * [....] B) $-36.4$ cm | ||
| * [....] C) $-21.2$ cm | * [....] C) $-21.2$ cm | ||
| - | * [....] D) $+36.4$ cm | + | * [ <color green>X</color> ] D) $+36.4$ cm |
| * [....] E) $+21.2$ cm | * [....] E) $+21.2$ cm | ||
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| ====Review question 10==== | ====Review question 10==== | ||
| An object is placed in front of a convex mirror at a distance larger than twice the focal length of the mirror. The image will appear | An object is placed in front of a convex mirror at a distance larger than twice the focal length of the mirror. The image will appear | ||
| * [....] A) upright and enlarged. | * [....] A) upright and enlarged. | ||
| - | * [....] B) upright and reduced. | + | * [ <color green>X</color> ] B) upright and reduced. |
| * [....] C) inverted and enlarged. | * [....] C) inverted and enlarged. | ||
| * [....] D) inverted and reduced. | * [....] D) inverted and reduced. | ||
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| * [....] A) 2.0 | * [....] A) 2.0 | ||
| * [....] B) 1.5 | * [....] B) 1.5 | ||
| - | * [....] C) 1.0 | + | * [ <color green>X</color> ] C) 1.0 |
| * [....] D) 0.25 | * [....] D) 0.25 | ||
| * [....] E) 0.5 | * [....] E) 0.5 | ||
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| ====Review question 12==== | ====Review question 12==== | ||
| A vertically polarized beam of light of intensity $100\frac{\text W}{\,{\text m}^2}$ passes through a polarizer with its transmission axis at 40.0$^\circ$ to the vertical. What is the transmitted intensity of this beam of light? | A vertically polarized beam of light of intensity $100\frac{\text W}{\,{\text m}^2}$ passes through a polarizer with its transmission axis at 40.0$^\circ$ to the vertical. What is the transmitted intensity of this beam of light? | ||
| - | * [....] A) $58.7\frac{\text W}{\,{\text m}^2}$ | + | * [ <color green>X</color> ] A) $58.7\frac{\text W}{\,{\text m}^2}$ |
| * [....] B) $0\frac{\text W}{\,{\text m}^2}$ | * [....] B) $0\frac{\text W}{\,{\text m}^2}$ | ||
| * [....] C) $100\frac{\text W}{\,{\text m}^2}$ | * [....] C) $100\frac{\text W}{\,{\text m}^2}$ | ||
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| * [....] A) 200 cm | * [....] A) 200 cm | ||
| * [....] B) 101 cm | * [....] B) 101 cm | ||
| - | * [....] C) 198 cm | + | * [ <color green>X</color> ] C) 198 cm |
| * [....] D) 202 cm | * [....] D) 202 cm | ||
| * [....] E) 2.0 cm | * [....] E) 2.0 cm | ||
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| * [....] C) half as large as his face | * [....] C) half as large as his face | ||
| * [....] D) four times as large as his face | * [....] D) four times as large as his face | ||
| - | * [....] E) three times as large as his face | + | * [ <color green>X</color> ] E) three times as large as his face |
| <color green></color> | <color green></color> | ||
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| * [....] B) a short focal length objective and a long focal length eyepiece. | * [....] B) a short focal length objective and a long focal length eyepiece. | ||
| * [....] C) a short focal length objective and a short focal length eyepiece. | * [....] C) a short focal length objective and a short focal length eyepiece. | ||
| - | * [....] D) a long focal length objective and a short focal length eyepiece. | + | * [ <color green>X</color> ] D) a long focal length objective and a short focal length eyepiece. |
| <color green></color> | <color green></color> | ||
| Line 217: | Line 216: | ||
| - A lens with a negative focal length. | - A lens with a negative focal length. | ||
| - | * <color green>...</color> | + | * <color green>diverging lens</color> |
| - A problem in lenses where different colors of light are focused to different focal points. | - A problem in lenses where different colors of light are focused to different focal points. | ||
| - | * <color green>...</color> | + | * <color green>chromatic aberration</color> |
| - The angle of incidence of light such that after striking a surface the reflected light is completely polarized. | - The angle of incidence of light such that after striking a surface the reflected light is completely polarized. | ||
| - | * <color green>...</color> | + | * <color green>Brewster's angle</color> |
| - Reflection from a rough surface such that light is sent out in a variety of directions. | - Reflection from a rough surface such that light is sent out in a variety of directions. | ||
| - | * <color green>...</color> | + | * <color green>diffuse reflection</color> |
| - Light rays converge towards this type of object. The sign convention for the distance to the object in this case is negative. | - Light rays converge towards this type of object. The sign convention for the distance to the object in this case is negative. | ||
| - | * <color green>...</color> | + | * <color green>virtual object</color> |
| - The ability of a lens to refract light (commonly measured in diopters) | - The ability of a lens to refract light (commonly measured in diopters) | ||
| - | * <color green>...</color> | + | * <color green>refractive power</color> |
| - A problem in lenses and mirrors of a particular shape where light further away from the principal axis is focused to a different point than light closer to the principal axis. | - A problem in lenses and mirrors of a particular shape where light further away from the principal axis is focused to a different point than light closer to the principal axis. | ||
| - | * <color green>...</color> | + | * <color green>spherical aberration</color> |
| - The length of this device is the sum of the two focal lengths of the lenses used to make it | - The length of this device is the sum of the two focal lengths of the lenses used to make it | ||
| - | * <color green>...</color> | + | * <color green>telescope</color> |
| - A property of a material that is related to how fast light travels in the material | - A property of a material that is related to how fast light travels in the material | ||
| - | * <color green>...</color> | + | * <color green>index of refraction</color> |
| - Colorful object seen in the sky due to the dispersion of light in raindrops. | - Colorful object seen in the sky due to the dispersion of light in raindrops. | ||
| - | * <color green>...</color> | + | * <color green>rainbow</color> |
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exam_2_review.txt ยท Last modified: 2014/05/14 14:48 by wikimanager
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