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WAEC Physics AI Practice

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Question 81

What is the main source of energy released in nuclear fission?
Nuclear physicsNuclear physicshard

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Question 82

Which property of a wave is defined as the distance between two consecutive crests?
Waves and oscillationsWaves and oscillationseasy

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Question 83

What instrument is most appropriate for measuring the length of a small object with high precision?
Measurement and errorsMeasurement and errorseasy

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Question 84

According to Newton's third law, when a book rests on a table, the table exerts a force on the book that is:
Forces and Newton's lawsNewton's laws of motionmedium

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Question 85

Which of the following is the correct expression for work done when a force F moves an object through a displacement d at an angle θ to the force?
Work, energy, powerWork and energymedium

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Question 86

In uniform circular motion, what is the direction of the acceleration vector?
Circular motionCircular motionmedium

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Question 87

The time period T of a simple harmonic oscillator depends on which of the following?
Simple harmonic motionSimple harmonic motionmedium

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Question 88

A metal rod is heated and its length increases. Which property of the metal does this illustrate?
Thermal properties of matterThermal properties of mattereasy

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Question 89

Which wave property remains unchanged when a wave passes from one medium to another?
Waves and oscillationsWavesmedium

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Question 90

What is the role of a transformer in an electrical power distribution system?
Electricity and magnetismElectricity and magnetismhard

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