NECO 2024 PHYSICS OBJ & ESSAY QUESTIONS AND ANSWERS
NECO 2024 Update
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NECO 2024 PHYSICS (ESSAY & OBJ) QUESTIONS:
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2024 NECO BIOLOGY (OBJECTIVES) QUESTIONS AND ANSWERS:
PHYSICS OBJ
Physics obj
1-10:CCABCABBBB
11-20:BABDCBACAD
21-30:EEAEBCEDCB
31-40:DDDCDADEBA
41-50:ADE
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2024 NECO PHYSICS (ESSAY) QUESTIONS AND ANSWERS:
PHYSICS ESSAY:
NUMBER 1
(1ai)
(i) Voltage transformation: Transformers are used to step up or step down voltages, making them a crucial component in power transmission systems.
(ii) Efficient transmission: Transformers enable efficient transmission of power over long distances with minimal loss of energy.
(iii) Isolation: Transformers provide electrical isolation between the primary and secondary circuits, ensuring safety and preventing interference.
(1aii)
Diagram
(1b)
Area = Length x Width
= 100 m x 500 m
= 50,000 m²
Area (acres) = Area (m²) / 4047 m²/acre
= 50,000 m² / 4047 m²/acre
= 12.35 acres
Solving/Typing…
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NUMBER 2
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NUMBER 3
(3a)
A rolling wheel
(3b)
Given:
F1 = 8 N (acting horizontally)
F2 = 5 N (acting vertically, at a right angle to F1)
Using the Pythagorean theorem:
F = √(F1² + F2²)
= √(8² + 5²)
= √(64 + 25)
= √89
= 9.43 N(3a)
A rolling wheel
(3b)
Given:
F1 = 8 N (acting horizontally)
F2 = 5 N (acting vertically, at a right angle to F1)
Using the Pythagorean theorem:
F = √(F1² + F2²)
= √(8² + 5²)
= √(64 + 25)
= √89
= 9.43 N
====================
NUMBER 4
NUMBER 5
NUMBER 5
(5a)
Heat capacity of a body is the amount of heat energy required to change the temperature of the body by a given amount. It is measured in joules per kelvin (J/K).
(5b)
Q = mcΔT
where:
Q = heat energy (in joules, J)
m = mass of water (in kilograms, kg)
c = specific heat capacity of water (in J/kgK)
ΔT = temperature change (in kelvin, K)
Given values:
m = 100 g = 0.1 kg (converted to kilograms)
c = 4200 J/kgK
ΔT = 20°C = 20 K (since 1°C = 1 K)
Plugging in the values:
Q = 0.1 kg × 4200 J/kgK × 20 K
= 8400 J
= 8.4 kJ
No 4 👇
No 7
No 5
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The National Examinations Council (NECO) 2024 Physics exam includes both Objective (OBJ) and Essay sections. To provide a conclusion for the questions and answers, it would typically involve summarizing the key topics covered, the common types of questions asked, and general advice for future students.
Conclusion for NECO 2024 Physics (OBJ/ESSAY) Questions and Answers:
- Key Topics Covered:
- Mechanics: Concepts of motion, forces, energy, and power.
- Waves and Optics: Understanding of wave properties, sound, and light.
- Electricity and Magnetism: Electrical circuits, electromagnetism, and related laws.
- Thermal Physics: Heat transfer, thermodynamics, and temperature measurement.
- Modern Physics: Atomic structure, radioactivity, and quantum physics.
- Common Types of Questions:
- Objective Section (OBJ):
- Multiple-choice questions covering a broad range of topics.
- Questions testing fundamental principles and problem-solving skills.
- Essay Section:
- Structured questions requiring detailed explanations and calculations.
- Questions often include practical applications and experimental setups.
- Objective Section (OBJ):
- Preparation Tips:
- Understand Concepts: Focus on understanding the underlying principles rather than rote memorization.
- Practice Problems: Solve past questions and practice problems regularly to build familiarity and confidence.
- Time Management: Develop good time management skills to ensure all questions are attempted within the given time.
- Use Diagrams: In the essay section, use diagrams where applicable to illustrate your points clearly.
- Review Experiments: Be familiar with common physics experiments and their outcomes as practical questions often appear.
- General Advice:
- Stay updated with the syllabus and any changes announced by NECO.
- Join study groups or discussion forums to exchange knowledge and tackle difficult topics collaboratively.
- Seek help from teachers or tutors if you encounter challenging concepts.
By focusing on these areas and consistently practicing, students can enhance their understanding and performance in the NECO Physics exam.