Chapter Test GEn Physics 1111111111.pptx

Chapter Test GEn Physics 1.pptx

1. Chapter test In General physics 1

2. TEST I. MULTIPLE CHOICE 1. Which of the following base unit pairs is NOT represented correctly? A. Length = meter B. Mass = kilogram C. Temperature = Celsius D. Time = seconds

3. 2. Lawrence is making a paste mixture for an art project. He mixes 8 cups of water with glue. If he wants to make a double batch, how many quarts of water does he need? (1 quart = 4 cups) A. 2 quarts C. 6 quarts B. 4 quarts D. 8 quarts

4. 3. A Googolplex is considered to be the biggest number in the world. It is written as 10googol. A googol is 10 to the 100th power. How is this expressed in scientific notation? A. 1 x 10 100 C. 1 x 10 10 B. 1 x 10 -100 D. 1 x 10 -10

5. 4. A car is travelling with a speed of 55 km/h. How fast is it going in miles per hour? (1 km = 0.6214 mi) A. 34 C. 35 B. 89 D. 90

6. 5. Christian tried to measure his physics book, he did five trials and he got the measurements 19.9cm, 19.8cm, 20.1cm, 20.3cm, and 19.7cm. If the actual length of the book is 20cm, what is shown in Christian’s measurements? A. Low accuracy; Low precision B. High accuracy; High precision C. High accuracy; Low precision D. Low accuracy; High precision

7. 6. Which statement is NOT true? A. Precise measurements are accurate B. Accurate measurements are precise C. Precise measurements can be inaccurate D. Inaccurate measurements can be precise

8. 7. In graphing vector quantities, what does the head of a drawn vector arrow represent? A. Magnitude B. Direction C. Magnitude and Direction D. Unit

9. 8. Which statement is true about vector quantities? A. Vector quantities only have magnitude and unit B. Vector quantities can be added to other vector quantities using rules of trigonometry C. Vector quantities can be added to other quantities using rules of trigonometry D. Vector quantities can be added to other vector quantities using rules of ordinary addition

10. 9. The accepted value is 1.43. Which correctly describes this student’s experimental data? Trial 1 Measurement: 1.29 Trial 2 Measurement: 1.93 Trial 3 Measurement: 0.88 A. accurate but not precise B. both accurate and precise C. precise but not accurate D. neither accurate nor precise

11. 10. Which of these is an example of high precision? A. An archer hits the same spot on the target three times in a row B. An archer hits the bulls-eye C. A student correctly calculates the mass of an object to be 54 kg D. A student correctly calculates the acceleration due to gravity to be 9.8 ms 2

12. 11. What is the sum of 281.45 g, 361.1 g, and 5.301 g? Apply rules in significant figures. A. 647.9 g B. 647.85 g C. 647.850 g D. 647.1 g

13. 12. You are using an electronic stopwatch in one of your experiments in Physics. The digital reading displays along with accuracy to how may second? A. 0.01 𝑠 B. 0.1 𝑠 C. 0.10 𝑠 D. 1 𝑠

14. 13. The density of aluminum is 2.7 𝑔/cm 3 . An experiment in the laboratory was performed to measure the density of the material. The data in the choices below came from the four groups who performed. Which of the following measurements is most accurate? A. 2.068 𝑔/𝑐𝑚 3 C. 709 𝑔/𝑐𝑚 3 B. 2.698 𝑔/𝑐𝑚 3 D. 2.721 𝑔/𝑐𝑚 3

15. 14. The diameter of a certain virus is 0.0000002 𝑚 as viewed under a microscope. How would this be expressed in scientific notation? A. 2.0×10 6 𝑚 C. 2.0×10 −7 𝑚 B. 2.0×10 −6 𝑚 D. 2.0×10 7 𝑚

16. 15. Rio de Grande river has a total length of 505 𝑘𝑚. What is this length in 𝑚? A. 50,500 𝑚 C. 5.05×10 5 𝑚 B. 5,050,000 𝑚 D. 5.05×10 7 𝑚

17. 16. A foreigner is driving his car along North Luzon Express way (NLEX) at a speed of 60 mi/h. Can he be charged off over speeding considering the maximum speed along this express way is 100 𝑘𝑚/ℎ. A. Yes, because 60 mi/h is beyond the maximum speed of 100 km/h. B. No, because 60 mi/h is less than the maximum speed of 100 km/h. C. No, because 60 mi/h is jus equal to the maximum speed of 100 km/h. D. Not enough data is given to determine if he is over speeding or not.

18. 17. Which of the following sets of measurements are precise? A. 1.50 mm, 1.72 mm, 1. 09 mm, 1. 84 mm B. 0.9 cm, 0.95 cm, 0.80 cm, 0.63 cm C. 1.20 m, 1.02 m, 0.97 m, 1. 42 m D. 0.84 dm , 0.85 dm, 0.82 dm, 0.83 dm

19. 18. Which of the following relationships of quantities is NOT true? A. 2 Mm = 2×10 6 m C.10mg = 1 dg B. 5 mg = 0.005 g D. 8Gm = 8×10 9 m

20. 19. Which of the following values is equivalent to 0.150 𝑚? A. 150 𝑚𝑚 B. 150 𝑐𝑚 C. 15 𝑑𝑚 D. 1 500 𝜇𝑚

21. 20. What is 7.5 millimeters expressed in centimeters? A. 0.075 cm B. 7.5 cm C. 0.75 cm D. 75 cm

22. TEST II. IDENTIFICATION Categorize if the given quantity is scalar or vector. 21. an ant crawling 15 cm on top of the table 22. the troop of soldier walking 20 km to northward direction 23. a bunch of flowers weighing 5 kilogram 24. a car running fast at 50 km/h, east 25. a boy jumping for 20 minutes

23. TEST III. CONVERSION. A. Below are the given measurements. Convert it as indicated. 26. 365 𝑑𝑎𝑦𝑠 into 𝑚𝑖𝑛 27. 0.28 𝑚 to 𝑚𝑚 28. 90 𝑘𝑚/ℎ in meters per second (1km = 1,000 m; 1 ℎ𝑟 = 60 𝑚𝑖𝑛; 1 min = 60 s) 29. 5 km to cm 30. 7 milligrams to grams

24. B. Indicate which is greater (>) or lesser (<) by writing the correct symbol. If the quantities are equal write (=). Show your solution. 31. 50 𝑑𝑚 _____ 0.005 𝑚𝑚 32. 0.03 𝑀𝑔 _____ 30 𝑘𝑔 33. 7.8𝑥10 2 𝑛𝑚 _____ 0.78𝑥10 7 𝜇𝑚 34. 2/3 𝑘𝑚 _____ 1/5 𝑀𝑚 35. 60 min ________ 1 hr

25. 36-40. Compare and contrast scalars from vectors.

26. 41-50. Using a cartesian coordinate system, draw separately the following vectors with its tail at origin, O. Find its magnitude, direction, and write your final answer. A = 20 units, 30 o counterclockwise from (+) x-axis B = 25 units, 45 o clockwise from (-) x-axis