Write your answers as T or F on the answer page. Any answers NOT recorded on the

Question

Write your answers as T or F on the answer page. Any answers NOT recorded on the answer page will NOT be counted. Light is an electromagnetic wave that is longitudinal. T) True or F) False A convex mirror can be used to produce both real and virtual images. T) True or F) False If a spherical mirror has a positive focal length, it must concave. T) True or F) False The image produced by a spherical lens has a magnification +1.5, so the image must be real. T) True or F) False The equation: n_1sintheta_1 = n_2sintheta_2, is known as Brewster's Law. T) True or F) False In the diagram, the large arrow represents an object and the small arrow is the center of curvature of the mirror. This arrangement will produce an erect image to the right of the mirror that is and larger than the object. T) True or F) False The image produced by a magnifying glass is vertual. T) True or F) False Indexes of refraction are always greater than one! T) True or F) False

Explanation / Answer

1. False, its transverse wave

2. False, it always produces virtual images. a concave mirror can produce real/virtual images.

3. True

4. False, M for lens= v/u , u is by sign convention negative, thus for M to be positive, v has to negative ( i.e virtual, left side of lens )

5.False, its len's law

6.False, produces a image on the left side, between C and F. diminshed and inverted

7. True

8.True

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