Question 1
Which instrument is most suitable for measuring the length of a small object to an accuracy of 0.01 cm?MeasurementsMeasurement of physical quantitieseasy
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Question 2
What form of energy is stored in a stretched spring?EnergyForms of energyeasy
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Question 3
Which process occurs when heat is transferred through direct contact of particles?HeatHeat transfer methodsmedium
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Question 4
If the frequency of a wave doubles while the speed remains constant, what happens to its wavelength?WavesWave propertiesmedium
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Question 5
What is the unit of electric current?ElectricityElectric current and circuitseasy
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Question 6
A wire carrying current is placed near a magnet. What kind of force interaction occurs?MagnetismMagnetic effects of currentmedium
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Question 7
Which statement correctly describes the photoelectric effect?Modern physicsPhotoelectric effecthard
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Question 8
What is the work done by a force of 10 N acting over a displacement of 3 m in the direction of the force?MechanicsWork and energymedium
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Question 9
Which of these is a scalar quantity?MeasurementsPhysical quantities and unitseasy
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Question 10
Which instrument is most suitable for measuring the length of a pencil accurately to the nearest millimeter?MeasurementsMeasurementseasy
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