The Doppler Effect

Front

What is the Doppler Effect?

Back

The Doppler Effect is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source.

Front

How does the Doppler Effect apply to sound waves?

Back

When a sound source moves towards an observer, the sound waves compress, leading to a higher pitch. When it moves away, the waves stretch, resulting in a lower pitch.

Front

What happens to the wavelength of sound as a jet takes off and moves away from an observer?

Back

The wavelength of sound becomes longer as the jet moves away from the observer.

Front

What is red shift in the context of the Doppler Effect?

Back

Red shift refers to the phenomenon where light from an object moving away from an observer shifts towards the red end of the spectrum, indicating that the object is receding.

Front

What is blue shift in the context of the Doppler Effect?

Back

Blue shift occurs when light from an object moving towards an observer shifts towards the blue end of the spectrum, indicating that the object is approaching.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, organized by wavelength.

Front

Which type of electromagnetic radiation has the longest wavelength?

Back

Radio waves have the longest wavelength in the electromagnetic spectrum.

Front

What characteristic organizes the electromagnetic spectrum?

Back

The electromagnetic spectrum is organized by wavelength.

Front

How does the frequency of a wave relate to its wavelength?

Back

Frequency and wavelength are inversely related; as the frequency increases, the wavelength decreases, and vice versa.

Front

What is the relationship between pitch and frequency?

Back

Pitch is directly related to frequency; higher frequencies correspond to higher pitches, while lower frequencies correspond to lower pitches.