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NECTA Physics AI Practice

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Question 261

A body moving with constant velocity has which of the following?
MechanicsDynamicseasy

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Question 262

Which instrument is most suitable for measuring the length of a small object to the nearest millimeter?
MeasurementsMeasurement and Errorseasy

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Question 263

A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is its acceleration?
MechanicsMotion in One Dimensioneasy

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Question 264

Which of the following processes occurs when a liquid changes to a gas at temperatures below its boiling point?
HeatThermal Physicsmedium

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Question 265

A sound wave travels through air. Which property of the wave is responsible for loudness?
WavesWave Propertiesmedium

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Question 266

If the resistance of a wire is doubled while the potential difference across it remains constant, what happens to the current?
ElectricityCurrent Electricitymedium

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Question 267

Which magnetic material is most commonly used to make permanent magnets?
MagnetismMagnetism and Electromagnetismhard

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Question 268

What is the main reason for the photoelectric effect not occurring if the frequency of incident light is below a certain threshold?
Modern physicsPhotoelectric Effecthard

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Question 269

An object weighing 50 N is lifted 3 meters vertically. How much work is done?
EnergyWork and Energyeasy

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Question 270

What is the SI base unit of electric current?
ElectricityElectricityeasy

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