Question 241
Which of the following is the SI unit of force?MeasurementsUnits and Measurementseasy
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Question 242
A car accelerates uniformly from rest to a velocity of 20 m/s in 5 seconds. What is the acceleration?MechanicsKinematicseasy
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Question 243
What is the pressure exerted by a force of 100 N applied uniformly over an area of 0.5 m²?MeasurementsPressure and Densitymedium
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Question 244
Which of the following statements about heat transfer is true?HeatHeat Transfer Methodsmedium
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Question 245
Which material is most likely to be strongly attracted to a magnet?MagnetismMagnetic Properties of Materialseasy
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Question 246
What phenomenon explains the photoelectric effect observed in modern physics?Modern physicsPhotoelectric Effecthard
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Question 247
A block of mass 2 kg is lifted to a height of 5 m. What is its gravitational potential energy? (Take g = 10 m/s²)EnergyGravitational Potential Energymedium
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Question 248
Which of the following materials is most likely to be a good conductor of electricity?ElectricityElectricityeasy
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Question 249
What is the main form of energy stored in a stretched bow?EnergyEnergyeasy
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Question 250
A wave with a frequency of 500 Hz has a wavelength of 0.68 m. What is the speed of the wave?WavesWavesmedium
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