An object of length 3.00 cm is inside a plastic block with index of refraction 1.40 . If the object is viewed through the top surface of the block at a non-zero angle from the normal, where is the object relative to its image?
a. in the same direction as its image
b. above the direction of its image
c. below the direction of its image
d. More information is needed.
[Ques. 2] An object of length 5.00 cm is inside a plastic block with index of refraction 1.50 . If the object is viewed from directly above, what is the length of its image?
a. 5.00 cm
b. 7.50 cm
c. 3.33 cm
d. 4.08 cm
e. 2.22 cm
[Ques. 3] A container is filled with fluid 1, and the apparent depth of the fluid is 9.00 cm. The container is next filled with fluid 2, and the apparent depth of this fluid is 6.86 cm. If the index of refraction of the first fluid is 1.37, what is the index of refraction of the second fluid?
a. 1.80
b. 2.41
c. 1.57
d. 1.20
e. More information is needed to find the value.
[Ques. 4] A container is filled with fluid 1 and the apparent depth of the fluid is 5 cm. The container is next filled with fluid 2, and the apparent depth of this fluid is 2 cm. What is the ratio of the indices of refraction of these fluids?
a. n1/n2 = 2/5
b. n1/n2 = 5/2
c. n1/n2 =
d. n1/n2 =
e. More information is needed to find the ratio.
[Ques. 5] A goldfish is swimming in water (n = 1.33) inside a spherical plastic bowl of index of refraction 1.33 . If the goldfish is 10.4 cm from the front wall of the 26.4-cm radius bowl, where does the goldfish appear to an observer in front of the bowl?
a. 7.12 cm behind the plastic
b. 15.9 cm behind the plastic
c. 12.2 cm behind the plastic
d. 8.67 cm behind the plastic
e. 12.2 cm behind the plastic
[Ques. 6] A glass block, for which n = 1.52, has a blemish located 3.3 cm from one surface. At what distance from that surface does the image of the blemish appear to the outside observer?
a. 5.0 cm
b. 2.2 cm
c. 4.1 cm
d. 2.7 cm
e. 3.3 cm
[Ques. 7] A solid glass sphere with a radius of 4.50 cm and index of refraction of 1.63 has a small coin embedded 2.50 cm from the front surface of the sphere. For the viewer looking at the coin through the glass, at what distance from the front surface of the glass does the coin's image appear to be located?
a. 1.95 cm
b. 2.50 cm
c. 3.85 cm
d. 3.45 cm
e. 1.53 cm
[Ques. 8] Ron fills a beaker with glycerin (n = 1.473) to a depth of 4.0 cm. If he looks straight down through the glycerin surface, he will perceive the liquid to be what apparent depth?
a. 5.9 cm
b. 4.0 cm
c. 2.7 cm
d. 3.3 cm
e. 4.9 cm
[Ques. 9] If an optical system consists only of an object and a single convex mirror,
a. the image will sometimes be inverted.
b. the magnification will sometimes have an absolute value greater than 1.
c. the image distance will never be negative.
d. the image will always be virtual.
[Ques. 10] Which of the following statements is true?
a. For an object at a concave mirror's center of curvature, the image is real and upright.
b. For an object in front of a convex mirror, the image is always virtual and upright.
c. As an object approaches the focal point of a concave mirror, the image size shrinks to zero.
d. All of the above statements are true.
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