Questions from College Physics


Q: A laser beam is incident on a 45°–45°–90

A laser beam is incident on a 45°–45°–90° prism perpendicular to one of its faces, as shown in Figure P22.20. The transmitted beam...

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Q: A man shines a flashlight from a boat into the water,

A man shines a flashlight from a boat into the water, illuminating a rock as in Figure P22.21. What is the angle of incidence θ1? Figure P22.21:

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Q: A narrow beam of ultrasonic waves reflects off the liver tumor in

A narrow beam of ultrasonic waves reflects off the liver tumor in Figure P22.22. If the speed of the wave is 10.0% less in the liver than in the surrounding medium, determine the depth of the tumor....

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Q: A person looking into an empty container is able to see the

A person looking into an empty container is able to see the far edge of the container’s bottom, as shown in Figure P22.23a. The height of the container is h, and its width is d. When...

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Q: Which part of Figure 22.3, (a) or

Which part of Figure 22.3, (a) or (b), better shows specular reflection of light from the roadway? Figure 22.3:

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Q: If beam 1 is the incoming beam in Figure 22.6b

If beam 1 is the incoming beam in Figure 22.6b, which of the other four beams are due to reflection? Which are due to refraction? Figure 22.6b:

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Q: A material has an index of refraction that increases continuously from top

A material has an index of refraction that increases continuously from top to bottom. Of the three paths shown in Figure 22.10, which path will a light ray follow as it passes through the material? F...

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Q: As light travels from a vacuum (n = 1) to

As light travels from a vacuum (n = 1) to a medium such as glass (n > 1), which of the following properties remains the same: the (a) Wavelength, (b) Wave speed, or (c) Frequency?

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Q: In Figure 23.25a, the blue object arrow is replaced

In Figure 23.25a, the blue object arrow is replaced by one that is much taller than the lens. How many rays from the object will strike the lens? Figure 23.25a:

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Q: An object is placed to the left of a converging lens.

An object is placed to the left of a converging lens. Which of the following statements are true, and which are false? (a) The image is always to the right of the lens. (b) The image can be upright or...

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