Related Questions
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4
Which of the following statements about kinetic friction is true?
A. It always opposes motion.
B. It is independent of the normal force.
C. It is greater than static friction.
D. It depends on the velocity of the object.
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4
What is the phenomenon where a wave undergoes a change in direction due to a change in medium?
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4
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
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4
What is the SI unit of electric current?
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4
Which law states that for every action, there is an equal and opposite reaction?
A. Newton's First Law of Motion
B. Newton's Second Law of Motion
C. Newton's Third Law of Motion
D. Law of Universal Gravitation
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4
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
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4
Which type of lens is thinner in the center and thicker at the edges?
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4
What is the phenomenon where a wave is partially deflected and partially absorbed by a surface?
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4
Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?
A. Faraday's Law of Electromagnetic Induction
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What is the unit of electric charge?
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What is the SI unit of resistance in an electrical circuit?
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4
What is the formula for calculating electric power in a circuit?
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4
What is the law that states the total electric charge in a closed system is constant?
C. Conservation of Charge
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4
What is the SI unit of heat energy?
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4
Which of the following statements about electric fields is true?
A. Electric fields always point towards positive charges.
B. Electric fields are vectors and have both magnitude and direction.
C. Electric fields only exist inside conductors.
D. Electric fields do not interact with magnetic fields.
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4
Which law states that the total entropy of an isolated system can never decrease over time?
A. First Law of Thermodynamics
B. Second Law of Thermodynamics
C. Third Law of Thermodynamics
D. Law of Conservation of Mass
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4
Which law states that the volume of a gas is directly proportional to its absolute temperature at constant pressure?
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4
Which law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them?
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4
What is the phenomenon where a charged object induces a charge separation in a neutral object when brought close to it?
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4
What is the phenomenon where light changes direction when passing from one medium to another?
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4
What is the phenomenon where light waves oscillate in multiple planes?
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4
What is the process of a solid changing directly into a gas called?
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4
What is the SI unit of angular momentum?
A. Kilogram-meter per second
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4
Which of the following is a fundamental particle found in the nucleus of an atom?
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4
What is the process by which a gas changes into a solid without passing through the liquid phase?
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4
What is the SI unit of half-life in radioactive decay?
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4
What is the SI unit of angular acceleration?
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4
Which of the following is a fundamental force of nature responsible for holding atomic nuclei together?
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4
Which law states that an object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an external force?
A. Newton's First Law of Motion
B. Newton's Second Law of Motion
C. Newton's Third Law of Motion
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4
Which of the following statements about gravity is true?
A. It is a contact force.
B. It is a repulsive force.
C. It is a conservative force.
D. It only acts on planets and stars.