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Mid Fisika Semester 2 Kelas 7 - Bilingual Nama: Kelas : MULTIPLE CHOICE 1. The definition of temperature is ... a. degree of heat from an object b. increasing of heat from an object

c. decreasing of heat from an object d. heat ratio from an object

ANS: A 2. Read the sentences carefully! 1. It is easy to see beacuse it has silvery color 2. It has uncertain expansion 3. It adheres to the glass 4. It responds quickly to change in temperature The advantages of using mercury for liquid-in-glass thermometer are ... a. 1 and 3 c. 1 and 4 b. 2 and 4 d. 2 and 3 ANS: C 3. Read the sentences carefully! 1. It is able to measure temperature carefully 2. It has large volume expansion 3 It is easy to read the result 4. It is colorless 5. It adheres to the glass a. 1 and 3 b. 3 and 5

c. 4 and 5 d. 2 and 4

ANS: C 4. Lower fixed point from Fahrenheit thermometer is the temperature when ... a. the ice is melting c. solution of water and salt freezing b. water is boiling d. candle is melting ANS: C 5. Upper fixed point from Celcius thermometer is the temperature when ... a. vegetable oil is boiling c. solution of water and salt is boiling b. water is boiling d. mixture of water and alcohol is boiling ANS: B 6. Temperature of a healthy human body is 37°C. If we convert the temperature in Kelvin scale, we have ... a. 273 K c. 300 K b. 292 K d. 310 K ANS: D

http://downloadsoalmatfiskim.blogspot.com 7. Thermometer X has freezing point 20°X and boiling point 220°X. If we dip the thermometer along with thermometer Celcius into a glass of warm water, thermometer Celcius shows 40°C. So the temperature from thermometer X is ... a. 100°X c. 200°X b. 110°X d. 220°X ANS: A 8. The use of expansion is shown in ... a. installation of window glass in the frame b. riveting in metal plate c. gap the end of the bridge d. spaces on railway connection ANS: B 9. If the coefficient of length expansion of copper is 0,000017 /°C, then the coefficient of volume expansion of copper is ... a. 0,000034 /°C c. 0,000051 /°C b. 0,000045 /°C d. 0,000085 /°C ANS: C 10. The iron rod length is 2 m at 20°C. If iron = 0,000011 /°C then the rod length when the temperature become 80°C is ... a. 0,00033 cm c. 2,00122 cm b. 2,00033 cm d. 2,00132 cm ANS: D 11. The length of metal rod in 20°C is 4 m. When the temperature increase to 50°C, the length become 4,0024 m. The coefficient of length expansion of metal is ... a. 1,2 x 10-5 /°C c. 2,0 x 10-5 /°C -5 b. 1,5 x 10 /°C d. 2,4 x 10-5 /°C ANS: C 12. A metal block with coefficient of volume expansion 0,0002 /°C is heated from 20°C to 70°C. The initial volume of block is 2 m3 . The increasing volume from the block is ... a. 0,02 m3 c. 0,20 m3 3 b. 0,04 m d. 0,28 m3 ANS: A 13. The volume of kerosene inside the container, when the temperature is 00C, is 1 liter. If the coefficient of volume expansion of kerosene is 0,000955/0C, then its volume when the temperature becomes 1000C is ... a. 1,00095 L c. 1,095 L b. 1,0095 L d. 1,955 L ANS: C 14. Look at the picture carefully!

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The first bimetal is made from metal A and B, while the second is metal A and C. When the two bimetal is heated, then they are bending as shown at the picture, the coefficient of length expansion of metals in order from small to large is ... a. A - B - C c. B - C - A b. B - A - C d. C - B - A ANS: B 15. There are space between the railway connections. The purrpose of giving the spaces between the railway connections is ... a. decrease the friction with the rain wheels b. when the iron expands, the railway is not bend c. when the iron expand, it is not loose from bearing woods d. when the train moves, the railway is not bend ANS: B 16. Two identical glasses are stick to each other after they are stacked, so we can not separate them easily. The method to separate them is ... a. we submerge the glass below inside the warm water b. we pour warm water inside the glas on the top c. we dip both glasses into the cold water d. we dip both glasses into the warm water ANS: A 17. Heat is a kind of ... a. force b. energy

c. work d. power

ANS: B 18. Heta unit in SI system is ... a. calorie b. joule

c. newton d. kelvin

ANS: B 19. Look at the diagram!

The change of state from solid to liquid is shown by the line ...

http://downloadsoalmatfiskim.blogspot.com a. A - B b. B - C

c. C - D d. D - E

ANS: B 20. The spesific heat of an object is 100 J/kg0C, means ... a. to increase temperature of the object 10C needs 100 J energy b. to increase temperature of the object that has mass 1 kg needs 100 J energy c. to change the object state needs 100J energy d. to increase temperature of 1 kg object 10C needs 100 J energy ANS: D 21. Look at the diagram!

A solid object with mass 25 grams is heated as shown at the diagram. The melting point of the object is ... a. 00C c. 2200C 0 b. 20 C d. 2400C ANS: C 22. Heat capacity of an object is 4J/0C, that means ... a. the ability of an object to absorb heat is 4 J b. to increase the object’s temperature 10C needs 4 J heat c. to increase 1 kg object’s temperature 10C needs 4 J heat d. to increase 1 kg object’s temperature needs 4 J heat ANS: B 23. The amount of heat is needed to increase 4 kg water’s temperature from 150C until 350C is ... (Cwater = 4200 J/kg 0C) a. 840 kJ c. 33,6 kJ b. 336 kJ d. 8,4 kJ ANS: B 24. Water with mass 2 kg is inside the container that has 200C temperature. The amount of heat is needed to increase water and it container’s temperature until 300C is ... (Cwater = 4200 J/kg 0C) a. 10.000 J c. 94.000 J b. 84.000 J d. 336.000 J ANS: C

http://downloadsoalmatfiskim.blogspot.com 25. Ice cube with 200 grans mass at -50C is heated until they boil entirely at temperature 1000C. If spesific heat of water is 4200 J/kg0C; spesific heat of ice is 2100 J/kg0C; and latent heat of ice is 340.000 J/kg, then the amount of heat needed is ... a. 10,5 kJ c. 76,4 kJ b. 70,1 kJ d. 154,1 kJ ANS: D 26. Two kilograms of water is heated until boil at 1000C, absorb 336 kJ. Initial temperature of water is ... (Cwater = 4200 J/kg 0C) a. 200C b. 400C

c. 600C d. 800C

ANS: B 27. The amount of heat that an object absorbs or releases when changing its state without changing its temperature is called ... a. latent heat c. heat capacity b. spesific heat d. spesific capacity heat ANS: A 28. Look at the diagram!

(latent heat of ice is 336 J/g; spesific heat of ice is 2,1 J/g0C ; spesific heat of water 4,2 J/g0C) The amount of heat needed at B - C process for 6 grams ice is ... a. 36 J c. 1008 J b. 56 J d. 2016 J ANS: D 29. Look at the diagram!

Changing state process that release haet are ... a. 1,2,3 c. 3,4,6 b. 2,3,5 d. 4,5,6

http://downloadsoalmatfiskim.blogspot.com ANS: C 30. Read the statement carefully: 1. Evaporation 2. Condensation 3. Deposition 4. Melt 5. Freeze 6. Sublimation a. 3,5,6 b. 4,5,6

c. 1,4,6 d. 1,2,3

ANS: C 31. Look at the diagram!

According to the diagram, changing state process is shown at lines ... a. A-B and C-D c. A-B and B-C b. B-C and D-E d. C-D and D-E ANS: B 32. Look at the diagram!

An ice with mass 400 grams is heated until evaporate entirely. If cice = 4200 J/Kg°C, Lice = 340.000 J/Kg, Uvapor = 2.300.000 J/Kg°C. Then the amount of heat needed in B-C process is ... a. 920.000 J c. 136.000 J b. 168.000 J d. 4200 J ANS: C 33. The amount of heat needed to melt 200 grams of ice with temperature -10°C become water with temperature 50°C is ... (cice = 2100 J/kg°C ; Lice = 340.000 J/Kg and cwater = 4200 J/Kg°C) a. 571.000 J c. 971.000 J b. 871.000 J d. 114.200 J ANS: D

http://downloadsoalmatfiskim.blogspot.com 34. Ice cube with mass 5 kg and temperature -10°C will be changed into water with temperature 40°C. If latent heat of ice is 340.000 J/Kg, spesific heat of ice is 2.100 J/Kg°C and spesific heat of water is 4.200 J/Kg°C, then the amount of heat needed is ... a. 1.975 kJ c. 2.100 kJ b. 1.990 kJ d. 2.645 kJ ANS: D 35. The amount of heat needed to increase the temperature of 2 kg water until evaporate entirely at 100°C is 4940 kJ. If spesific heat of water is 4200J/Kg°C and latent heat of vaporize water is 2.260.000 J/Kg, then the initial temperature of water is ... a. 10°C c. 50°C b. 30°C d. 70°C ANS: C