If a Source of Light Is Approaching Us at 3,000

question 78

Multiple Choice

If a source of light is approaching us at 3,000 km/sec, then all its waves are:

• A)blueshifted by 1%.
• B)redshifted by 1%.
• C)not affected, as c is constant regardless of the direction of motion.
• D)blueshifted out of the visible spectrum into the ultraviolet.
• E)redshifted out of the visible into the infrared.

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Definitions:

River Terrace

A flat, bench-like structure alongside a river, formed by the river cutting deeply into the land then retreating, leaving a raised platform.

Well-developed Soil

Soil that has undergone extensive formation processes, resulting in distinct layers and rich nutrient content.

Lava Flow

The movement of lava as it pours out and spreads over the land following a volcanic eruption.

Angular Unconformity

An unconformity (ancient erosion surface) in which the older, underlying strata dip more steeply or at a different angle than the younger, overlying strata.