Questions from Modern Physics


Q: In an L-R-C series circuit, R =

In an L-R-C series circuit, R = 150 Ω, L = 0.750 H, and C = 0.0180 µF. The source has voltage amplitude V = 150 V and a frequency equal to the resonance frequency of the circuit. a. What is the power...

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Q: In an L-R-C series circuit, R =

In an L-R-C series circuit, R = 400 Ω, L = 0.350 H, and C = 0.0120 µF. a. What is the resonance angular frequency of the circuit? b. The capacitor can withstand a peak voltage of 670 V. If the volta...

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Q: Unpolarized light of intensity 20.0 W/cm2 is incident

Unpolarized light of intensity 20.0 W/cm2 is incident on two polarizing filters. The axis of the first filter is at an angle of 25.0° counterclockwise from the vertical (viewed in the direction the li...

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Q: Three polarizing filters are stacked with the polarizing axes of the second

Three polarizing filters are stacked with the polarizing axes of the second and third at 45.0° and 90.0°, respectively, with that of the first. a. If unpolarized light of intensity I0 is incident on...

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Q: A beam of white light passes through a uniform thickness of air

A beam of white light passes through a uniform thickness of air. If the intensity of the scattered light in the middle of the green part of the visible spectrum is I, find the intensity (in terms of I...

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Q: The critical angle for total internal reflection at a liquid– air

The critical angle for total internal reflection at a liquid– air interface is 42.5°. a. If a ray of light traveling in the liquid has an angle of incidence at the interface of 35.0°, what angle does...

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Q: A beam of light is traveling inside a solid glass cube that

A beam of light is traveling inside a solid glass cube that has index of refraction 1.62. It strikes the surface of the cube from the inside. a. If the cube is in air, at what minimum angle with the...

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Q: At the very end of Wagner’s series of operas Ring of the

At the very end of Wagner’s series of operas Ring of the Nibelung, Brünnhilde takes the golden ring from the finger of the dead Siegfried and throws it into the Rhine, where it sinks to the bottom of...

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Q: The indexes of refraction for violet light (λ = 400 nm

The indexes of refraction for violet light (λ = 400 nm) and red light (λ = 700 nm) in diamond are 2.46 and 2.41, respectively. A ray of light traveling through air strikes the diamond surface at an an...

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Q: Equation (31.14) was derived by using the relationship

Equation (31.14) was derived by using the relationship i = dq/dt between the current and the charge on the capacitor. In Fig. 31.9a the positive counterclockwise current increases the charge on the ca...

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