This category covers various branches of physics from classical mechanics and electromagnetism to modern physics topics like quantum mechanics and relativity . It’s a crucial subject for students pursuing sciences and engineering disciplines and is essential for understanding the physical world around us . This category can cover various aspects of physics from basic definitions and principles to complex equations and experimental techniques. Resources may include practice problems, explanations of concepts, and demonstrations of real-world applications .
What is the difference between scalar and vector quantities? |.
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A. Scalars have direction, vectors do not.B. Scalars have both magnitude and direction, vectors have only magnitude.C. Scalars have only magnitude, vectors have both magnitude and direction.
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How does the gravitational force between two objects change if.
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A. It doubles.B. It remains the same.C. It quadruples.D. It decreases to one-fourth.
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What is the principle of superposition in wave mechanics? |.
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A. Waves always cancel each other out.B. Waves always add their amplitudes.C. Waves pass through each other unaffected.D. The resultant displacement is the sum ...
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What is the relationship between the acceleration of an object.
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A. They are inversely proportional.B. They are unrelated.C. They are directly proportional.D. Acceleration is always greater than the net force.
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What type of wave does not require a medium to.
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A. Transverse wavesB. Longitudinal wavesC. Electromagnetic wavesD. Mechanical waves
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What is the phenomenon where a moving charged particle experiences.
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A. Magnetic fluxB. Electromagnetic inductionC. The Lorentz forceD. Magnetic resonance
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What is the SI unit for measuring the rate at.
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A. JouleB. NewtonC. WattD. Pascal
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What is the phenomenon where a moving charge creates a.
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A. Electrostatic inductionB. Magnetic resonanceC. Electromagnetic inductionD. Electromagnetic radiation
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Which law describes the relationship between voltage, current, and resistance.
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A. Kirchhoff's LawB. Faraday's LawC. Ohm's LawD. Coulomb's Law
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What is the phenomenon of the spontaneous emission of electrons.
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A. Compton effectB. Photoelectric effectC. Raman effectD. Zeeman effect
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