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WAEC Physics – Ghana

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Question 71

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?
Electricity and MagnetismElectricity and Magnetismeasy

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Question 72

Which type of nuclear radiation has the highest penetrating power?
Nuclear physicsNuclear Physicsmedium

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Question 73

When light passes from air into glass, which of the following occurs?
Light and OpticsLight and Opticsmedium

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Question 74

What is the SI unit of force?
Forces and Newton's lawsForces and Newton's lawseasy

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Question 75

A vector quantity must have which of the following characteristics?
Scalars and vectorsScalars and vectorseasy

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Question 76

An object moving with uniform velocity covers 20 m in 4 seconds. What is its speed?
Motion (1D and 2D)Motion (1D and 2D)easy

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Question 77

Which of the following best describes the relationship between work done (W), force (F), and displacement (d) when a constant force acts along the direction of displacement?
Work, energy, powerWork, energy, powermedium

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Question 78

What is the period of a simple harmonic oscillator that completes 50 oscillations in 10 seconds?
Simple harmonic motionSimple harmonic motionmedium

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Question 79

A liquid has a density of 1000 kg/m³. What is the pressure exerted at a depth of 2 m? (Take g = 9.8 m/s²)
Pressure and fluidsPressure and fluidsmedium

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Question 80

In a converging lens, where is the image formed if the object is placed between the focal point and the lens?
OpticsOpticsmedium

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