Fundamental Physics Concepts
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Questions and Answers

Which of the following is the primary focus of physics?

  • The study of chemical reactions
  • The study of living organisms
  • Creating new mathematical theories
  • Understanding the behavior of the universe (correct)

What does classical mechanics primarily describe?

  • The properties of chemical bonds
  • The behavior of black holes
  • The motion of atomic particles
  • The motion of macroscopic objects (correct)

Which of these concepts is NOT directly addressed within thermodynamics?

  • Energy
  • Heat
  • Subatomic particle spin (correct)
  • Work

What is the main focus of electromagnetism?

<p>The interactions between electric currents and magnetic fields (A)</p> Signup and view all the answers

Which area of physics deals with the behavior of matter at the atomic and subatomic levels?

<p>Quantum mechanics (B)</p> Signup and view all the answers

What does kinematics primarily describe?

<p>The motion of objects without considering its causes (B)</p> Signup and view all the answers

Which of Newton's laws states that for every action, there is an equal and opposite reaction?

<p>Third law (A)</p> Signup and view all the answers

What is power defined as?

<p>The rate at which work is done (A)</p> Signup and view all the answers

What happens when waves combine constructively?

<p>Amplitudes add (C)</p> Signup and view all the answers

Which of the following describes the bending of waves around obstacles?

<p>Diffraction (D)</p> Signup and view all the answers

What does the zeroth law of thermodynamics state?

<p>Two systems in equilibrium with a third are in equilibrium with each other (B)</p> Signup and view all the answers

Which law of thermodynamics states that energy is conserved?

<p>First law (C)</p> Signup and view all the answers

What is the transfer of heat through direct contact called?

<p>Conduction (B)</p> Signup and view all the answers

What property of matter causes it to experience a force in an electric field?

<p>Electric charge (A)</p> Signup and view all the answers

Which of the following describes the ability to store electrical energy in an electric field?

<p>Capacitance (A)</p> Signup and view all the answers

What principle states that particles can exhibit wave-like properties?

<p>Wave-particle duality (C)</p> Signup and view all the answers

What is the effect where particles become correlated and share the same fate, no matter how far apart?

<p>Quantum entanglement (B)</p> Signup and view all the answers

According to special relativity, what is constant for all observers?

<p>Speed of light (B)</p> Signup and view all the answers

Flashcards

What is Physics?

Study of matter, energy, motion, and forces in the universe.

Classical Mechanics

Motion of macroscopic objects; projectiles to planets.

Thermodynamics

Deals with heat, work, and energy transfer.

Electromagnetism

Interactions between electric currents and magnetic fields.

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Kinematics

Motion described without cause; focuses on displacement, velocity, & acceleration.

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Newton's Laws of Motion

Inertia: object resists changes in motion. F=ma. Action=Reaction

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Work (in physics)

Energy transferred by a force causing displacement.

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Kinetic Energy

Energy of motion.

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Wave Interference

Combination of waves constructively (add amplitudes) or destructively (subtract amplitudes).

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Wave Diffraction

Bending of waves around obstacles or through openings.

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Doppler Effect

Change in wave frequency due to relative motion between source and observer.

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First Law of Thermodynamics

Energy is conserved; change in internal energy equals heat added minus work done.

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Coulomb's Law

Force between charges is proportional to charge product and inversely proportional to distance squared.

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Resistance

Opposition to the flow of electric current.

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Ohm's Law

Voltage (V) equals Current (I) times Resistance (R): V = IR.

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Faraday's Law of Induction

Changing magnetic field induces voltage (electromotive force).

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Wave-Particle Duality

Particles act like waves, and waves act like particles.

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Mass-Energy Equivalence

Energy and mass are interchangeable: E = mc².

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Study Notes

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Description

Physics studies matter, energy, and their interactions. Key areas include classical mechanics, thermodynamics, electromagnetism, and quantum mechanics. Relativity describes space, time, and gravity and is another important concept in physics.

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