How is a seismogram similar to an X-ray?
What will be an ideal response?
Answer: A seismogram reveals Earth's internal structure just like an X-ray reveals the interior of a body. Seismic waves traveling from an earthquake encounter various boundaries that change the movement of the wave. Each bend or change in speed reveals a change in the material through which the seismic wave travels.
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As a sinusoidal wave’s wavenumber increases, the wave’s wavelength (in a non-dispersive medium)
A. Increases. B. Decreases. C. Does not change.
Organisms far from each other on the "Tree of Life"
A) are genetically very similar B) are genetically very different C) look very similar to the eye D) are genetically identical
If a metal had a Fermi level of 5.0 eV, what would be the average energy of the electrons at 0 K?
A) 8.0 eV B) 6.0 eV C) 3.0 eV D) 0 E) 5.0 eV
Two single charged ions moving perpendicularly to a uniform magnetic field (B = 0.40 T) with speeds of 5 000 km/s follow circular paths that differ in diameter by 5.0 cm. What is the difference in the mass of these two ions?
a. 2.6 × 10^-28 kg b. 6.4 × 10^-28 kg c. 3.2 × 10^-28 kg d. 5.1 × 10^-28 kg e. 1.1 × 10^-28 kg