Question 131
A magnet is broken into two pieces. What happens to the magnetic poles?MagnetismMagnetismmedium
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Question 132
What is the effect of increasing the amplitude of a sound wave?WavesWavesmedium
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Question 133
Which fundamental force is responsible for holding the nucleus of an atom together?Modern physicsModern Physicshard
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Question 134
A block of metal is heated from 20°C to 80°C. Which of the following best explains what happens at the atomic level?HeatHeatmedium
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Question 135
Which of the following describes the photoelectric effect?Modern physicsModern Physicshard
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Question 136
Which instrument is most suitable for measuring the volume of an irregular solid?MeasurementsMeasurementseasy
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Question 137
A stone is thrown vertically upwards with a velocity of 20 m/s. What is its velocity after 2 seconds? (Take g = 10 m/s²)MechanicsMechanicsmedium
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Question 138
What happens to the temperature of a substance during a phase change from solid to liquid?HeatHeateasy
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Question 139
If the frequency of a wave is doubled, what happens to its wavelength assuming wave speed remains constant?WavesWavesmedium
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Question 140
What is the direction of force on a current-carrying conductor placed in a magnetic field?MagnetismMagnetismmedium
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