Which of the Following Is a Plausible Example of a Doppler

question 34

Multiple Choice

Which of the following is a plausible example of a Doppler blueshift?

• A)A star appears to have a much higher temperature when moving toward the Earth than when moving away.
• B)An ambulance's siren changes to a higher pitch as it speeds toward you.
• C)A star's colour becomes redder as it moves away from the Earth.
• D)A moving train's whistle shifts to a frequency so high that humans can't hear it.

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Definitions:

Supply Curve

A graphical representation showing the relationship between the price of a good or service and the quantity of it that suppliers are willing to provide at that price.

Ticket Scalpers

Individuals who purchase tickets to events at face value and then sell them at a higher price, typically without authorization, aiming to profit from the high demand.

Consumers

Individuals or entities that purchase goods or services for personal use rather than for manufacturing or resale.

Substitute

A good or service that can be used in place of another, offering consumers a choice when making purchase decisions.