Question 231
What happens to the temperature of a gas if its volume is decreased at constant pressure?HeatThermodynamicsmedium
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Question 232
A wire of length 2 m and cross-sectional area 1 mm² has a resistance of 2 Ω. What is the resistivity of the wire?ElectricityElectricity and Magnetismhard
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Question 233
Which law states that the induced emf in a coil is proportional to the rate of change of magnetic flux?MagnetismMagnetism and Electromagnetismmedium
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Question 234
What is the principle behind the operation of a nuclear reactor?Modern physicsNuclear Physicshard
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Question 235
Which of the following correctly describes the Doppler effect?WavesWave Phenomenamedium
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Question 236
Which instrument is used to measure atmospheric pressure?MeasurementsMeasurementseasy
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Question 237
What type of wave is sound?WavesWavesmedium
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Question 238
If the temperature of an ideal gas is doubled while keeping volume constant, what happens to the pressure?HeatHeatmedium
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Question 239
A magnet is cut into two pieces. What will be observed?MagnetismMagnetismhard
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Question 240
What is the frequency of a wave with wavelength 2 m and speed 10 m/s?WavesWavesmedium
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