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Unformatted text preview: 05/30f07 / 1. 10 points A balloon contains 3.7 liters of nitrogen gas at a temperature of 87K and a
pressure of 101 kPa. If the temperature of the gas is allowed to increase to 24°C and the pressure remains constant, what volume will the gas Dy? , 7;:87KOCCU [2}: I42 "F chomv’ :>
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A container with an initiai volume of_0_.9_625 m3 holds 2.5 moles of monatomic ideal gas at a temperature of 315 K The gas is now
3.... 6 compressed adiabatically to a volume of 0.0350 m3. Find: Ii"; 8'3" W“ a)Theﬁnal pressure , __ 7; ﬂ 8 * 5;).
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NE 05!?) 0/07 3. 20 points
You are 1.8 m tall and stand 3.0 m from a plane mirror that extends
vertically upward from the floor. On the floor 1.5 m in front of the mirror is
a small table. 0.80 m high. What is the minimum height the mirror must
have for you to be able to see the top of the table in the mirror ‘0 Q; : (9r (r424 [424111309
"a amine/«‘(t'ai’) 4. 50 points . _
A film of oil, with an index of refraction of 1.48 and a thickness of 1.50 cm, . ﬂoats on a pool of water, as shown. A beam of light is incident on the oil at
an angle of 60° to the vertical. a) Find the angle 6 the light beam makes with the vertical as it travels
through the water. ’9' '50 én’ﬁ'h9,;/iz§in91 75’) ”ragga :ﬂsagﬁét’s “:9 h; r—i _____I )} _'_' .
9;§;'E.9h9, 119% 1.33 _ on b) What is the maximum possible value for 9, the angle of refraction in the
water’? 95 ﬁne/v tat/W 9:5?)ﬁ‘53 93:9)?” Elsi SW99 ’4 4:9? 0) If an oil withalarger index of ref_ ' ' sed, does youranswerto
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part (3) Increase, decrease, o staythe same Explain. (.
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a) If the temperature of the gas is 220 K at point A, what is its
\o temperature at point C?
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’1’ A to point C along the path shown in the figure. 0.93 ‘L (Voovtob)'(&”j : HwVios=Yﬂ°$J  —L (400$r03)(a‘1w3) : 61 WOSJ
: (amMD? xi 2 luiooxro5 : V" 10:3 How much heat has been added to or removed from the gas during
this process (A > C) ‘7"5'" s T.
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I—21 cm——L—35 cm—J 0' 01"  ‘ L! b) What is the magniﬁcation of this image? 50 points
3) Determine the distance from lens 1 to the ﬁnal image for the system shown in ﬁgure.
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 Spring '07
 Svetlana
 Physics

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