Questions and Answers
Who is responsible for designing the book mentioned in the guide?
Which organization did not support the General Education Quality Improvement Program?
What is the primary aim of the guide published by the Ministry of Education?
Which contributor holds a Ph.D. in their field?
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In which year was the guide first published?
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What is one of the main funding sources for the guide's publication?
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Who contributed as an Illustrator for the guide?
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Which role did Moges Tsega fulfill for the guide?
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What is the definition of Coulomb’s Law of Electrostatics?
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Which instrument is used to measure electric current in a circuit?
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What does an electric circuit consist of?
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What is one key characteristic of magnetic fields created by current-carrying conductors?
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What principle explains the behavior of light as it passes through different media?
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What is the relationship between voltage, current, and resistance in an electrical circuit?
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Which of the following describes the function of an electroscope?
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In what way does the Earth's magnetic field interact with compasses?
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What is the first step in the graphical method of vector addition?
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In the triangle law of vector addition, the two vectors form which part of the triangle?
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How is the resultant vector expressed when its magnitude is 50.0 m and direction is 7.0° south of east?
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What geometrical method helps find the resultant vector when several vectors are added together?
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What is the result when vectors are joined head to tail and the tail of the first vector is joined with the head of the last vector, resulting in zero magnitude?
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What tool is required to measure the direction of the resultant vector?
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In the parallelogram law of vector addition, what represents the resultant vector?
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Which method requires measuring both magnitude and angles to find a resultant vector accurately?
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What is the magnitude of the resultant displacement when given $294.3$ km and $69.3$ km?
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What direction does the resultant displacement make in relation to north when it is $13^ ext{◦}$ south of west?
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Calculate the magnitude of velocity $V$ given $V_x = 9.80$ units and $V_y = -6.40$ units.
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What is the direction angle $ heta$ for the velocity vector given $V_x = 9.80$ and $V_y = -6.40$?
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If vector $ extbf{A}$ is $21 ext{ cm}$ north and vector $ extbf{C}$ is $26 ext{ cm}$ south, what is the resultant vector $ extbf{A} - extbf{C}$?
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What is the magnitude of the resultant vector $ extbf{R}$ when the vectors involved are $-5 ext{ cm}$ north and $16 ext{ cm}$ east?
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What direction does the resultant vector $ extbf{R}$ make if it has components $-5 ext{ cm}$ and $16 ext{ cm}$?
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Which of the following statements about the vectors is true?
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What is the average velocity of the athlete if the displacement is 20 km and the total time taken is 3 hours?
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If the eastward displacement is 144 km and the average speed is 48 km/h, how long did the journey take?
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What is the angle of displacement if the northward displacement is 12 km and the eastward displacement is 16 km?
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What is the resultant displacement magnitude of an athlete with 12 km north and 16 km east?
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What would be the average velocity if the athlete completed the run in 4 hours instead of 3 hours?
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Which formula is used to calculate the angle of displacement given the east and north components?
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In a scenario where the average speed is lower than the average velocity, what can be inferred about the athlete's path?
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What distance is covered by the athlete when traveling north and east described as 12 km North and 16 km East?
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Study Notes
Contributors and Editorial Team
- Contributors include Fikadu Eshetu (Ph.D), Mideksa Kasahun (MSc), Moges Tsega (Ph.D), Samuel Assefa (Ph.D), Felekech G/Egziabher (Ph.D), Umer Nuri (MSc), and Derese Tekestebrihan (Ph.D fellow).
- Evaluation team consists of Zafu Abraha (MSc), Girmaye Defar (MSc), and Dessie Melese (MSc).
Publication Details
- First published in 2022 by the Ethiopian Ministry of Education as part of the General Education Quality Improvement Program for Equity (GEQIP-E).
- Supported by multiple international organizations including the World Bank, UNICEF, and Global Partnership for Education.
Key Topics Covered
-
Static and Current Electricity includes topics such as:
- Nature of charges and methods of charging.
- Coulomb’s Law, electric field, and circuit basics like Ohm's Law.
- Importance of voltmeters and ammeters for circuit connection.
-
Magnetism covers:
- Basics of magnets and magnetic fields.
- Interaction of magnetic forces with moving charges and current-carrying conductors.
- Practical applications of magnetic forces and fields.
-
Electromagnetic Waves and Optics detail:
- Characteristics and spectrum of electromagnetic waves.
- Properties of light, including reflection, refraction, and interaction with mirrors and lenses.
- Anatomy of the human eye and use of optical instruments.
Vector Addition and Subtraction
- Triangle law and parallelogram law for vector addition are explained.
- Head-to-tail method and polygon method are tools for visually representing vector sums.
- Discussion on resultant vectors, their magnitudes, and directions with examples involving graphical representation.
Average Velocity and Displacement Calculations
- Average velocity formulation is provided, emphasizing calculations based on displacement.
- Worked examples on determining resultant displacement from North and East components.
Teacher’s Assessment Strategy
- Encouragement of oral questioning to gauge student understanding.
- Summative activities recommended to reinforce key concepts on vector addition methods.
Additional Notes
- Emphasis on understanding electrical safety and ethical use of electricity.
- Projects related to electricity and magnetism foster hands-on learning experiences for students.
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Description
This guide provides educators with essential resources and teaching strategies for teaching physics to Grade 10 students. It covers various physics topics, methodologies, and insights specific to the curriculum of the Federal Democratic Republic of Ethiopia.
