A refraction seismic survey is conducted in a region with a planar, dipping layer beneath a flat overburden layer. The surface is flat. The velocity of each layer is constant, and v1< v2
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A refraction seismic survey is conducted in a region with a planar, dipping layer beneath a flat overburden layer. The surface is flat. The velocity of each layer is constant, and v1< v2<v3. Do you expect the reciprocal times from the dipping interface to match?
a. No, because the forward and reverse shots travel along different ray paths
b. Only if there is no noise in the data
c. Yes, because the forward and reverse shots travel along the same ray path
d. No, because the velocity in the up-dip direction is greater than in the down-dip direction
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- Assume that a material is composed of 3 layers in descending order: air (nair = 1.00), water (nwater = 1.33), and glass (nglass= 1.52). Then, assume that a monochromatic light ray in the air passes through the surface of water with an angle of incidence 0₁ = 40 degrees. A. Find the angle of refraction in glass after it passes completely through the water layer. B. Find how fast is the light ray moving in the glass?11. A riverside warehouse has two open doors, as in Figure P24.11. Its interior is lined with a sound-absorbing material. A boat on the river sounds its horn. To per- son A, the sound is loud and clear. To person B, the sound is barely audible. The principal wavelength of the sound waves is 3.00 m. Assuming person B is at the position of the first minimum, determine the dis- tance between the doors, center to center. В - Open door 20.0 m d Open door 150 m- Figure P24.11Assume that a material is composed of 3 layers in descending order: air (nair = 1.00), water (nwater = 1.33), and glass (nglass= 1.52). Then, assume that a monochromatic light ray in the air passes through the surface of water with an angle of incidence 0₁ = 40 degrees. A. Find the angle of refraction in glass after it passes completely through the water layer. B. Find how fast is the light ray moving in the glass?
- You and your friend Kally are hiking in the Black Hills near Rapid City, South Dakota, when you stumble upon a ghost town. As you walk around, you find a well in the center of the town. The well has no pulley or rope. You look down into the well and from how dark it is you could tell that it is deep. Kally knows that you are taking physics 150 at Rio Hondo College, so she asks you to figure out the depth of the well. You take a stone and drop it into the well and you and Kally wait for the splash. Kally measures the time with her digital watch and tells you that it took 4 seconds. How deep is the well?A camera lens used for taking close-up photographs has a focal length of 21 mm. The farthest it can be placed from the film is 33.3 mm. a. What is the closest object that can be photographed? mm b. What is the magnification of this closest object? XComponents of some computers communicate with each other through optical fibers having an index of refraction n = 1.65. What time in nanoseconds is required for a signal to travel 0.17 m through such a fiber? ns
- A water break at the entrance to a harbor consists of a rock barrier with a 67.0 m wide opening. Ocean waves of 43.0 m wavelength approach the opening straight on. At what angle (in degrees) to the incident direction are the boats inside the harbor most protected against wave action?A monochromatic beam of light in air has a wavelength of 589 nm in air. it passes through Carbon disulfate (n=1.63) and then through glass (=1.52). what is its wavelength in glass? Group of answer choices 421 nm 388 nm 487 nm 361 nmA ray of white light strikes the surface of a 4.0-cm-thick slab of flint glass as shown. As the ray enters the glass, it is dispersed into its constituent colors. Estimate how far apart the rays of deepest red and deepest violet light are as they exit the bottom surface. Which exiting ray is closer to point P?