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# General Physics 2: Electromagnetism and Maxwell's Equations

Review key concepts in General Physics 2, including James Clerk Maxwell's theory of electromagnetism, electromagnetic waves, and his fundamental equations that describe the relationships between electricity and magnetism. Test your understanding of electric and magnetic fields, electromotive force, and more!

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### Who developed a theory that explained the relationship between electricity and magnetism?

James Clerk Maxwell

### What is a characteristic of a longitudinal wave?

The oscillations are parallel to the direction of wave propagation

### What is induced by a changing magnetic field?

An electromotive force

### Who discovered the property of inductance in electrical circuits?

<p>Joseph Henry</p> Signup and view all the answers

### What type of wave requires a medium to propagate?

<p>Sound wave</p> Signup and view all the answers

### What is the direction of electric field lines with respect to charges?

<p>They originate on positive charges and terminate on negative charges</p> Signup and view all the answers

### What is the unit of measurement for the intensity of sound?

<p>Decibel</p> Signup and view all the answers

### What is the phenomenon that causes the apparent change in frequency of a wave when the source or observer is in motion?

<p>Doppler effect</p> Signup and view all the answers

### What type of lens is used to correct near-sightedness?

<p>Concave lens</p> Signup and view all the answers

### What is the distance between two consecutive peaks of a wave?

<p>Wavelength</p> Signup and view all the answers

### What is the unit of electrical power equal to one ampere under the pressure of one volt?

<p>Watt</p> Signup and view all the answers

### What happens when two waves are in phase and meet each other?

<p>Constructive interference</p> Signup and view all the answers

### What occurs when two waves, one with a wavelength of 2 meters and the other with a wavelength of 4 meters, collide?

<p>Destructive interference</p> Signup and view all the answers

### What is the term for the bending of light as it passes from one medium to another?

<p>Refraction</p> Signup and view all the answers

### What is the term for an abrupt change in the direction of propagation of a wave that strikes the boundary between different mediums?

<p>Reflection</p> Signup and view all the answers

### What is the term for the bending of waves around obstacles or the edges of openings?

<p>Diffraction</p> Signup and view all the answers

### What is the term for the law that states the angle of incidence is equal to the angle of reflection?

<p>The Law of Reflection</p> Signup and view all the answers

### What type of image is formed by a converging lens when an object is placed beyond its focal point?

<p>Real and inverted</p> Signup and view all the answers

### What is the result of unpolarized light passing through two filters?

<p>The intensity of the light is completely transmitted</p> Signup and view all the answers

### What is the main characteristic of Presbyopia?

<p>The gradual loss of the eyes' ability to focus on nearby objects</p> Signup and view all the answers

### What is the phenomenon of a wave spreading out as it passes through a narrow opening?

<p>Diffraction</p> Signup and view all the answers

### What is the result of combining two coherent waves with consideration for their phase difference?

<p>Interference</p> Signup and view all the answers

### What is the color of light with the longest wavelength in the visible spectrum?

<p>Red</p> Signup and view all the answers

### What is the defect in which the image of a distant object is formed in front or behind the retina and not at the retina itself?

<p>Myopia</p> Signup and view all the answers

### What happens to a ferromagnetic material when it is removed from a magnetic field?

<p>It retains its magnetism</p> Signup and view all the answers

### What is the direction of the induced magnetic field in paramagnetic materials?

<p>In the same direction as the applied magnetic field</p> Signup and view all the answers

### What is the result of an applied magnetic field on diamagnetic materials?

<p>They are repelled by the magnetic field</p> Signup and view all the answers

### What is the formula to calculate the period of a wave?

<p>T = 1/f</p> Signup and view all the answers

### What is the interaction between particles with electric charge?

<p>Electromagnetism</p> Signup and view all the answers

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