What is the Doppler Effect?

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

The change in amplitude of a wave in relation to an observer who is moving relative to the source of the wave.

The change in phase of a wave in relation to an observer who is moving relative to the source of the wave.

The change in speed of a wave in relation to an observer who is moving relative to the source of the wave.

What causes the Doppler Effect?

The motion of either the source of the wave or the observer.

The color of the wave being observed.

The size of the wave being observed.

The temperature of the wave being observed.

What happens to the frequency of a sound wave when the source is moving towards the observer?

The frequency increases.

The frequency decreases.

The frequency remains the same.

The frequency goes to zero.

What happens to the wavelength of a sound wave when the source is moving away from the observer?

The wavelength increases.

The wavelength decreases.

The wavelength remains the same.

The wavelength goes to zero.

What is the formula for calculating the observed frequency of a wave in motion?

f' = f - v

f' = f * v

f' = f + v

f' = (v + vo) / (v - vs) * f

What does 'f' represent in the Doppler Effect formula?

Speed of sound in the medium.

Frequency of the wave emitted by the source.

Distance between the source and the observer.

Time taken by the wave to travel from the source to the observer.

What does 'v' represent in the Doppler Effect formula?

Speed of sound in the medium.

Frequency of the wave emitted by the source.

Distance between the source and the observer.

Time taken by the wave to travel from the source to the observer.

What does 'vo' represent in the Doppler Effect formula?

Speed of sound in the medium.

Speed of the observer relative to the medium.

Distance between the source and the observer.

Time taken by the wave to travel from the source to the observer.

Which of the following statements is true about the Doppler Effect?

It only occurs for sound waves.

It can occur for any type of wave.

It only occurs if the source and observer are stationary.

It only occurs if the wave is traveling through a vacuum.

Does the Doppler Effect affect all waves in the same way?

Yes, all waves are affected in the same way.

No, different waves can be affected differently.

No, the Doppler Effect only affects sound waves.

No, the Doppler Effect only affects light waves.

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Flashcards on Doppler Effect

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