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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 31

If a wave's frequency doubles while its speed remains constant, what happens to its wavelength?
Waves and opticsWaves - Wave properties and equationsmedium

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Question 32

Which law explains the relationship between current, voltage, and resistance in an electrical circuit?
Electricity and magnetismElectricity - Ohm's Laweasy

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Question 33

What is the main difference between ionic and covalent bonds?
Matter and materialsMatter - Types of chemical bondingmedium

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Question 34

Which factor will increase the rate of a chemical reaction?
Chemical changeChemical change - Factors affecting reaction rateshard

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Question 35

What is the unit of force in the International System of Units (SI)?
MechanicsMechanics - Units and measurementseasy

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Question 36

Which of the following correctly describes Ohm's Law?
Electricity and magnetismElectricity - Ohm's Law and circuitsmedium

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Question 37

Which wave property is responsible for the change in direction of a wave when it passes from one medium to another?
Waves and opticsWaves - Wave behavioureasy

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Question 38

What is the primary reason metals are good conductors of electricity?
Matter and materialsProperties of materials - Electrical conductivitymedium

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Question 39

During a chemical reaction, the total mass of the reactants compared to the total mass of the products is:
Chemical changeChemical change - Conservation of masseasy

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Question 40

Which functional group characterizes alcohols in organic chemistry?
Organic chemistryOrganic chemistry - Functional groupsmedium

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