Question 111
What is the approximate energy of a photon of visible light with a wavelength of 500 nm?Modern physicsModern Physics and Quantum Physicshard
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Question 112
A car accelerates uniformly from rest to 20 m/s in 10 seconds. What is its acceleration?MechanicsKinematics (Motion)easy
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Question 113
What form of energy is stored in a compressed spring?EnergyEnergy Storage and Transfereasy
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Question 114
Which process describes heat transfer by the movement of fluids?HeatHeat Transfer Methodsmedium
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Question 115
Which material is commonly used as a conductor in electrical circuits?ElectricityElectric Circuits and Componentseasy
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Question 116
What is the direction of magnetic field lines around a bar magnet?MagnetismMagnetic Fieldsmedium
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Question 117
What phenomenon explains the emission of electrons from a metal surface when light shines on it?Modern physicsPhotoelectric Effect and Quantum Physicshard
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Question 118
A transformer steps up voltage from 120 V to 240 V. If the input current is 2 A, what is the output current (ideal transformer)?ElectricityElectromagnetic Induction and Transformershard
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Question 119
Which unit is used to measure the magnetic field strength?MagnetismMagnetic Fieldseasy
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Question 120
Which instrument is used to measure electric current in a circuit?ElectricityElectricityeasy
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