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NSC Physical Sciences AI Practice

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Note: Diagram-based questions are coming soon. WAEC Biology Paper includes ~5 diagram questions.

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Question 211

What is the acceleration of an object in free fall near the Earth's surface, ignoring air resistance?
MechanicsMechanics - Motion in one dimensioneasy

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Question 212

Which component in an electrical circuit opposes the flow of current and dissipates energy as heat?
Electricity and magnetismElectricity - Components and circuitseasy

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Question 213

What type of wave is light?
Waves and opticsWaves - Nature of waveseasy

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Question 214

Which of the following best explains why a compass needle aligns with the Earth's magnetic field?
Electricity and magnetismMagnetism - Earth's magnetic fieldmedium

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Question 215

What is the main reason why sound cannot travel through a vacuum?
Waves and opticsWaves - Wave propagationmedium

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Question 216

Which type of bond is primarily responsible for the high melting point of ionic compounds?
Matter and materialsChemical bonding - Ionic bondinghard

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Question 217

Which of the following circuit components stores electrical energy in an electric field?
Electricity and magnetismElectricity - Components and their functionsmedium

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Question 218

What type of wave is produced when a guitar string vibrates?
Waves and opticsWaves - Types of mechanical waveseasy

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Question 219

During a chemical reaction, what does the term 'exothermic' refer to?
Chemical changeChemical change - Energy changes in reactionsmedium

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Question 220

A ray of light passes from air into water. What happens to the speed and direction of the ray?
Waves and opticsWaves - Refraction of lightmedium

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