Copy Of IPC 1st Sem Finals (Sinoa)

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Copy Of IPC 1st Sem Finals (Sinoa) - Quiz

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Questions and Answers
  • 1. 

    The graph represents that the object is 

    • A.

      Not moving

    • B.

      At constant velocity

    • C.

      Returning to starting point

    Correct Answer
    B. At constant velocity
    Explanation
    The graph represents that the object is at constant velocity. This is indicated by the straight, horizontal line on the graph. A straight line on a velocity-time graph indicates that the object is moving at a constant speed in a specific direction, without any changes in its velocity. Therefore, the object is not accelerating or decelerating, but maintaining a constant velocity throughout the given time period.

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  • 2. 

    Study the graph. Point C to D shows that the car is 

    • A.

      Not moving or resting

    • B.

      Going back to starting point.

    • C.

      Moving faster

    Correct Answer
    A. Not moving or resting
    Explanation
    Based on the given graph, the line segment from point C to D is horizontal, indicating that there is no change in the position of the car during this time. This suggests that the car is not moving or resting at this point.

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  • 3. 

    At Position 5 and Time 10, the object starts to

    • A.

      Stop

    • B.

      Go faster

    • C.

      Go back to starting point.

    Correct Answer
    C. Go back to starting point.
    Explanation
    At Position 5 and Time 10, the object starts to go back to the starting point. This is indicated by the phrase "go back to starting point" in the answer options. It implies that the object changes its direction and starts moving in the opposite direction towards its initial position.

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  • 4. 

    Magnitude shows only the number and the unit. If 10 is the number, and meter is the unit what is the magnitude?

    • A.

      10 meters

    • B.

      10 kilometers

    • C.

      10 centimeters

    Correct Answer
    A. 10 meters
    Explanation
    The magnitude refers to the numerical value and unit of measurement. In this case, the magnitude is 10 meters, as it represents both the number (10) and the unit (meters).

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  • 5. 

    Scalar quantity shows only magnitude (number and unit) and Vector quantity shows both magnitude and direction. Which of the following are vector quantities?

    • A.

      Distance and Speed

    • B.

      Displacement and Velocity

    • C.

      Displacement and Distance

    Correct Answer
    B. Displacement and Velocity
    Explanation
    Displacement and velocity are vector quantities because they have both magnitude and direction. Displacement refers to the change in position of an object, and it includes both the distance and the direction of the change. Velocity, on the other hand, is the rate at which an object changes its displacement in a specific direction. Distance and speed, on the other hand, are scalar quantities because they only represent magnitude and do not include direction.

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  • 6. 

    The measurement of the point in the ruler the student is pointing on is

    • A.

      1.5 centimeters

    • B.

      0.5 inches

    • C.

      0.5 centimeters

    Correct Answer
    A. 1.5 centimeters
    Explanation
    The student is pointing at the 1.5 centimeter mark on the ruler.

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  • 7. 

    Which unit would be best to measure the length of a car?

    • A.

      Inches

    • B.

      Feet

    • C.

      Kilometers

    Correct Answer
    B. Feet
    Explanation
    Feet would be the best unit to measure the length of a car because it is a commonly used unit for measuring small to medium distances. It provides a more precise measurement compared to inches, which could result in very large numbers. Kilometers, on the other hand, are typically used for longer distances and would not be suitable for measuring the length of a car accurately.

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  • 8. 

    Which is the best estimate of the mass of a lion?

    • A.

      300 grams

    • B.

      3 kilogram

    • C.

      300 kilograms

    Correct Answer
    C. 300 kilograms
    Explanation
    The best estimate of the mass of a lion is 300 kilograms. This is because lions are large animals and typically weigh several hundred kilograms. 300 grams is too small of a mass for a lion, and 3 kilograms is too low of an estimate considering the average weight of a lion is around 190-250 kilograms for males and 120-182 kilograms for females.

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  • 9. 

    The bottle in the picture is about 7 ________________.

    • A.

      Inches tall

    • B.

      Feet tall

    • C.

      Centimeters tall

    Correct Answer
    A. Inches tall
    Explanation
    Based on the information given in the question, the bottle in the picture is approximately 7 inches tall.

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  • 10. 

    What is the volume of the liquid inside the graduated cylinder?

    • A.

      30 millitlers

    • B.

      37 milliliters

    • C.

      45 milliliters

    Correct Answer
    B. 37 milliliters
    Explanation
    The volume of the liquid inside the graduated cylinder is determined by reading the measurement markings on the cylinder. In this case, the correct answer is 37 milliliters, which means that the liquid inside the cylinder measures 37 milliliters in volume.

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  • 11. 

    What are the laboratory safety devices the girl is wearing?

    • A.

      Apron and Goggles

    • B.

      Erlenmenyer Flask and Test Tube

    • C.

      Goggles and Erlenmeyer Flask

    Correct Answer
    A. Apron and Goggles
    Explanation
    The correct answer is Apron and Goggles. In a laboratory setting, it is important to prioritize safety. Wearing an apron helps protect the body from spills, splashes, and chemical splatters, reducing the risk of injury or contamination. Goggles, on the other hand, shield the eyes from hazardous substances, flying debris, or any potential eye irritants. Therefore, wearing an apron and goggles is crucial to ensure the girl's safety in the laboratory.

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  • 12. 

    What is the mass of the object measured by the triple beam balance?

    • A.

      333.7 grams

    • B.

      337.8 grams

    • C.

      336.8 grams

    Correct Answer
    C. 336.8 grams
    Explanation
    The mass of the object measured by the triple beam balance is 336.8 grams.

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  • 13. 

    What is the name of the laboratory instrument in the picture?

    • A.

      Test Tube

    • B.

      Florence Flask

    • C.

      Beaker

    Correct Answer
    C. Beaker
    Explanation
    The correct answer is Beaker because it is a laboratory instrument commonly used for holding, mixing, and heating liquids. It has a cylindrical shape with a flat bottom and a spout for pouring. Beakers are made of glass or plastic and come in various sizes. They are essential in many scientific experiments and are easily recognizable due to their distinctive shape.

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  • 14. 

    Which of the following words best describe the picture?

    • A.

      Observation

    • B.

      Hypothesis

    • C.

      Data

    Correct Answer
    A. Observation
    Explanation
    Observation is the best word to describe the picture because it implies the act of carefully examining or studying something visually. In the context of the given question, the word "observation" suggests that the picture is being analyzed or interpreted based on what can be seen or perceived from it, rather than making assumptions or formulating hypotheses. It indicates that the focus is on gathering information and facts rather than speculating or making guesses.

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  • 15. 

    Hypothesis is a

    • A.

      Guess

    • B.

      Question

    • C.

      Conclusion

    Correct Answer
    A. Guess
    Explanation
    A hypothesis is a guess or an assumption made based on limited evidence or information. It is a proposed explanation for a phenomenon or a scientific question that can be tested and verified through further research and experimentation. A hypothesis is not a question or a conclusion, as it is the initial prediction or educated guess made before conducting an investigation or study.

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  • 16. 

    What is the last step of the scientific method?

    • A.

      Make an observation

    • B.

      Write hypothesis

    • C.

      Draw a conclusion

    Correct Answer
    C. Draw a conclusion
    Explanation
    The last step of the scientific method is to draw a conclusion. After making observations, forming a hypothesis, conducting experiments, and analyzing data, scientists draw conclusions based on the results obtained. This step involves interpreting the data and determining whether the hypothesis was supported or rejected. Drawing a conclusion helps to summarize the findings and determine the implications and significance of the experiment or study.

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  • 17. 

    Amy runs 2 miles south, then turns around and runs 3 miles north. What is the total distance she run?

    • A.

      5 miles

    • B.

      4 miles

    • C.

      3 miles

    Correct Answer
    A. 5 miles
    Explanation
    Amy runs 2 miles south and then turns around and runs 3 miles north. Since she is running in opposite directions, we can simply add the distances together to find the total distance she ran. 2 miles + 3 miles = 5 miles. Therefore, the correct answer is 5 miles.

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  • 18. 

    Taja walks 2 miles north from her door to the park, then returns home to her door. what is the displacement?

    • A.

      2 miles

    • B.

      1 mile

    • C.

      0 mile

    Correct Answer
    C. 0 mile
    Explanation
    The displacement is 0 miles because displacement refers to the change in position from the starting point to the ending point. In this case, Taja starts and ends at her door, so her displacement is 0 miles.

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  • 19. 

    The picture shows the X-axis and the Y-axis. Which of the following is true?

    • A.

      X- Axis is horizontal and Y-axis is vertical

    • B.

      X-axis is positive and Y-axis is negative

    Correct Answer
    A. X- Axis is horizontal and Y-axis is vertical
    Explanation
    The X-axis and Y-axis are standard terms used in coordinate geometry to represent horizontal and vertical lines, respectively. The X-axis is always horizontal, extending from left to right, while the Y-axis is always vertical, extending from bottom to top. This is a fundamental concept in mathematics and is universally accepted. Therefore, it is true that the X-axis is horizontal and the Y-axis is vertical.

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  • 20. 

    Neva swam 3 complete laps in a 50 meter pool. At the end, what is the displacement?

    • A.

      0 meters

    • B.

      50 meters

    • C.

      150 meters

    Correct Answer
    B. 50 meters
    Explanation
    Neva swam 3 complete laps in a 50 meter pool. Each lap is 50 meters, so the total distance covered by Neva is 3 laps x 50 meters/lap = 150 meters. However, the displacement refers to the shortest distance between the initial and final positions. Since Neva ended up at the same position where she started, the displacement is 0 meters.

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  • 21. 

    Alex walks east for 3 km, stops for a break, and then runs the same direction for 4 km before he stops. The displacement is

    • A.

      7 km

    • B.

      7 km east

    • C.

      Distance and Displacement are the same

    Correct Answer
    B. 7 km east
    Explanation
    The displacement is 7 km east because displacement refers to the straight-line distance from the starting point to the ending point, regardless of the path taken. In this case, Alex walked east for 3 km and then ran east for 4 km, so the total displacement is 7 km east.

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  • 22. 

    To solve for C you can use

    • A.

      The Pythagorean Theorem

    • B.

      The formula square root of the square of A plus the square of B

    • C.

      Both

    Correct Answer
    C. Both
    Explanation
    The correct answer is "Both." This is because to solve for C, you can use both the Pythagorean Theorem and the formula square root of the square of A plus the square of B. Both methods will give you the correct value for C in a right-angled triangle.

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  • 23. 

    The bus traveled 500 km east and 300 km south. What is the distance and the displacement?

    • A.

      800 km and 583 km SE

    • B.

      450 km and 835 km SE

    • C.

      630 km and 538 km SE

    Correct Answer
    A. 800 km and 583 km SE
    Explanation
    The distance traveled by the bus is the sum of the distances traveled in each direction, which is 500 km + 300 km = 800 km. The displacement is the straight-line distance from the starting point to the ending point, which can be calculated using the Pythagorean theorem. The displacement is the square root of (500 km)^2 + (300 km)^2 = 583 km. The direction of the displacement can be determined as southeast (SE) based on the relative positions of the starting and ending points.

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  • 24. 

    Jermaine runs 3 laps around a 400 meter track. Why is displacement equal to 0?

    • A.

      Because the end point is the same as the starting point.

    • B.

      Because he runs very fast.

    • C.

      Because the shape of the track is circular.

    Correct Answer
    A. Because the end point is the same as the starting point.
    Explanation
    The displacement is equal to 0 because the end point of Jermaine's run is the same as the starting point. Displacement measures the change in position from the initial point to the final point, and since Jermaine ends up back where he started, there is no change in position. This is regardless of how fast he runs or the shape of the track.

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  • 25. 

    Julie spins around 3 times without moving any direction. What is the distance and the displacement. 

    • A.

      3 because she spins 3 times.

    • B.

      0 because she is just in one position.

    Correct Answer
    B. 0 because she is just in one position.
    Explanation
    The distance is 0 because Julie does not move from her original position while spinning. Displacement refers to the change in position from the starting point to the ending point, and since Julie ends up in the same position where she started, the displacement is also 0.

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  • 26. 

    David walked for 5 km north and 4 km east. What is the displacement?

    • A.

      6.4 km

    • B.

      6.4 km NE

    • C.

      6.4 miles NE

    Correct Answer
    B. 6.4 km NE
    Explanation
    The displacement is 6.4 km NE because it represents the straight-line distance and direction from the starting point to the ending point of David's walk. By using the Pythagorean theorem, we can find that the displacement is approximately 6.4 km. The "NE" indicates that the direction is northeast, which is the combination of north and east.

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  • 27. 

    The car runs 5 miles in 0.25 hour. The __________is 20 miles/h.

    • A.

      Speed

    • B.

      Velocity

    • C.

      Distance

    Correct Answer
    A. Speed
    Explanation
    The question provides information about the car running 5 miles in 0.25 hours. To calculate the speed, we divide the distance traveled (5 miles) by the time taken (0.25 hours), which gives us a speed of 20 miles per hour. Therefore, the correct answer is speed.

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  • 28. 

    The formula for for time is

    • A.

      Distance divided by speed

    • B.

      Speed divided by velocity

    • C.

      Both

    Correct Answer
    A. Distance divided by speed
    Explanation
    The correct answer is "distance divided by speed" because time is calculated by dividing the distance traveled by the speed at which it was traveled. This formula is derived from the basic equation of speed, which is distance divided by time. By rearranging the equation, we can solve for time by dividing distance by speed. Therefore, the formula for time is distance divided by speed.

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  • 29. 

    The car run 200 km north and 350 km east 5 hours.The velocity of the car is _______. 

    • A.

      110 km/h northeast

    • B.

      110 km/h eastnorth

    • C.

      110 km/h southeast

    Correct Answer
    A. 110 km/h northeast
    Explanation
    The car traveled a total distance of 550 km in 5 hours, with 200 km north and 350 km east. To find the velocity, we need to divide the total distance by the total time. Therefore, the velocity of the car is 550 km / 5 hours = 110 km/h. Since the car traveled more distance towards the east than towards the north, the velocity is in the northeast direction.

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  • 30. 

    Miguel flies the plane directly west for 20 miles, then turns to the south and flies another 30 miles in 0.5 hour. What is the velocity of the plane? 

    • A.

      72 miles/h SW

    • B.

      72 km/h SW

    Correct Answer
    A. 72 miles/h SW
    Explanation
    Miguel first flies west for 20 miles, which gives him a westward velocity. Then, he turns south and flies another 30 miles in 0.5 hours. To find the velocity, we need to divide the total distance traveled (50 miles) by the total time taken (0.5 hours). This gives us a velocity of 100 miles/hour. Since Miguel flew west for 20 miles and south for 30 miles, we can use the Pythagorean theorem to find the resultant velocity. The resultant velocity is the hypotenuse of a right triangle with sides of 20 miles (west) and 30 miles (south). Using the theorem, we find that the resultant velocity is 36.06 miles/hour. Since the resultant velocity is in the southwest direction, the correct answer is 72 miles/hour southwest.

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  • 31. 

    Which one do you like?

    • A.

      Option 1

    • B.

      Option 2

    • C.

      Option 3

    • D.

      Option 4

    Correct Answer
    A. Option 1

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