when the frequency is higher what happens to the wavelength?

Which wave has a greater frequency?

Which wave has a greater frequency?

When an ambulance move TOWARD you it sounds ________ pitched.

When an ambulance move TOWARD you it sounds ________ pitched.

The pitch of a sound wave relates to the wave's _________________.

the doppler effect causes a shift in...

You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?

What best describes the doppler effect?

Look at the picture. Who is experiencing a lower pitched sound?

Look at the picture. Who is experiencing a higher pitched sound?

When blueshift occurs, the perceived frequency of the wave would...

When redshift occurs, the perceived frequency of the wave would...

The vast majority of galaxies in our universe are moving away from us. We know this because we observe __________ in the galaxies absorption spectra.

If a star is being observed from Earth and it's light has shifted towards the red side of the spectrum it would be...

If a star is being observed from Earth and it's light has shifted towards the blue side of the spectrum it would be...

Which discovery(ies) came from our understanding redshift/ blueshift?

Use the image to identify the motion of the object relative to Earth. Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.

Light can change color due to the Doppler Effect.