Browsing Animations / ftemo

cp-mfield-02.iwp

A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle ..

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em-ratio-1b.iwp

An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform electric field. The electric field is oriented in the -y direction and ..

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em-ratio-1c.iwp

An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. Within the area encircled by the ..

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em-ratio-1d.iwp

An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction ..

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em-ratio-2d.iwp

An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.

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gas-laws-balloon-01.iwp

A balloon expands as the temperature of the gas inside of it rises. How do the initial and final volumes and pressures compare?

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gas-laws-bubble-01b.iwp

A balloon is released from the bottom of a deep lake where the temperature is always 4 degC and rises to the top, where the pressure is standard atmospheric pressure. Assume that the balloon rises slowly ..

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gas-laws-piston-v2-02.iwp

A block resting on a piston compresses an ideal gas enclosed in a box. The gauge to lower right indicates the absolute pressure of the gas in atmospheres. A thermometer indicates the temperature of the ..

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gas-laws-piston-v2-03.iwp

A block resting on a piston compresses 0.100 moles of an ideal gas enclosed in a box. The gauge to lower right indicates the absolute pressure of the gas in atmospheres. A thermometer indicates the temperature ..

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gas-laws-piston-v2-04.iwp

A pump increases the pressure in a box enclosing 0.100 moles of an ideal gas. A pressure gauge indicates the absolute pressure of the gas in atmospheres. The dimensions of the gas volume are 0.0800 m x 0.0800 ..

Animate

lenzlaw-01.iwp

A bar magnet is pushed into a loop of conducting wire. While the magnet is moving into the loop, what is the direction of the induced current in loop from the point of view of ..

Animate

lenzlaw-02b.iwp

A bar magnet is pulled out of a loop of conducting wire. While the magnet is moving out of the loop, what is the direction of the induced current in loop from the point of ..

Animate

mass-spec.iwp

Two singly-ionized isotopes of the same element are injected at the same velocity into a region of uniform magnetic field pointing out of the screen. (There is no field below the x-axis). Determine the ratio ..

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point-interference-02.iwp

Waves are incident from the left on a barrier. At t = 0, two apertures open in the barrier. Waves emerging from the two apertures interfere. At positions where the two waves reach the screen in phase, ..

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point-interference-03.iwp

Waves are incident from the left on a barrier. At t = 0, two apertures open in the barrier. Waves emerging from the two apertures interfere. The pattern of bright interference fringes is shown on the screen. ..

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point-interference-04.iwp

Waves are incident from the left on a barrier. At t = 0, two apertures open in the barrier. Waves emerging from the two apertures interfere. Determine the vertical position on the screen of the center of ..

Animate

prism-1b.iwp

A ray of light is incident from air on a prism with index of refraction 1.5. Playing the animation will increase the angle of incidence in 1 degree increments. Normals to the sides of the prism are ..

Animate

prism-6b.iwp

The dispersion of white light by an equilateral prism made of crown glass is modeled. The index of refraction ranges from 1.513 for red light to 1.532 for violet light. Playing the animation will decrease the angle ..

Animate

rainbow-01.iwp

A rainbow is formed when the direction of sunlight to raindrops is such that a ray internally reflected in a drop refracts out of the drop along a line of sight that reaches the observer. ..

Animate

ray-refraction-3g.iwp

The red line at y = 0 represents a boundary between media of different indices of refraction. The path of a light ray is shown in blue. Note that both a reflected and a refracted ray are ..

Animate

ray-refraction-3h.iwp

A ray of light starting from lower left is refracted from Medium 1 to Medium 2 as well as reflected into Medium 1. Playing the applet forward or backwards will increase or decrease the angle of incidence. The ..

Animate

ray-refraction-3i.iwp

A ray of light travels through 3 successive media from 1 to 3.. The indices of refraction of media 1 and 3 are given as inputs. Normals are shown at the boundaries of adjacent media. The angle of incidence in ..

Animate

ray-refraction-4e.iwp

The blue, red, and gray areas represent media of different indices of refraction. The path of a light ray incident from the blue medium is shown in yellow. The angle of incidence is given as ..

Animate

refracted-waves-5.iwp

Plane waves of constant frequency move up the screen, crossing from one medium into another. The wave speed decreases in the upper medium. Since the frequency is constant and speed = frequency x wavelength, the wavelength ..

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refracted-waves-6b.iwp

Plane waves cross a boundary between two media at a non-zero angle of incidence. The angles of incidence and refraction are shown with respect to the normal to the boundary.

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