Quiz about The Doppler Effect

Question 1

As objects move in space, their wavelengths change. This phenomenon is called the...

Accepted Answer

Doppler Effect

Answer

Coriolis Effect

Answer

Movement Effect

Answer

Black Hole Effect

Question 2

The energy left over from the big bang is still detectable. This is a major evidence of the big bang. What is this energy called?

Accepted Answer

Cosmic Background Radiation

Answer

Gravity

Answer

Inward Pulling Force

Answer

Outward Pushing Force

Question 3

What energy is the shortest wavelength?

Accepted Answer

Gamma

Answer

Radio

Answer

Infrared

Answer

X rays

Question 4

What energy is the longest wavelength?

Accepted Answer

Radio

Answer

Infrared

Answer

X rays

Answer

Gamma

Question 5

What color is the shortest wavelength?

Accepted Answer

Blue

Answer

Green

Answer

Yellow

Answer

Red

Question 6

What color is the longest wavelength?

Accepted Answer

Red

Answer

Green

Answer

Yellow

Answer

Blue

Question 7

When objects move towards you, the wavelength....

Accepted Answer

Decreases (gets shorter)

Answer

Increases (gets longer)

Question 8

When objects move away from you, the wavelength....

Accepted Answer

Increases (gets longer)

Answer

Decreases (gets shorter)

Question 9

When objects move away from an observer, what color shift is happening?

Accepted Answer

Red Shift

Answer

Blue Shift

Question 10

When objects move towards the observer, what color shift is happening?

Accepted Answer

Blue Shift

Answer

Red Shift

Question 11

Doppler Red Shift is a proof that the Big Bang occurred. This helps support the idea that the universe is.....

Accepted Answer

Expanding

Answer

Contracting

Question 12

When light and sound waves travel away from the observer, what happens to their wavelength?

Accepted Answer

Increases

Answer

Decreases

Question 13

When light and sound waves travel towards the observer, what happens to their wavelength?

Accepted Answer

Decreases

Answer

Increases

Question 14

The electromagnetic spectrum is organized by what characteristic?

Accepted Answer

Wavelength

Answer

Wave Height

Answer

Wave Amplitude

Answer

Wave Density

Question 15

Visible light is considered the most intense form of electromagnetic energy (colors) because humans can....

Accepted Answer

See it

Answer

Taste it

Answer

Feel it

Answer

Touch it

Question 16

The top spectra is the laboratory spectra and is not moving. What type of shift is shown with the bottom spectra and is the object moving towards or away from the observer?

Accepted Answer

Red Shift

Away

Answer

Red Shift

Towards

Answer

Blue Shift

Towards

Answer

Blue Shift

Away

Question 17

The top spectra is the laboratory spectra and is not moving. What type of shift is shown with the bottom spectra and is the object moving towards or away from the observer?

Accepted Answer

Blue Shift

Towards

Answer

Red Shift

Towards

Answer

Red Shift

Away

Answer

Blue Shift

Away

Question 18

You are the observer looking at the jet. As the Jet takes off, what is happening to the wavelength of sound and the pitch of the sound?

Accepted Answer

Longer wavelength and getting less loud

Answer

Longer wavelength and getting louder

Answer

Shorter wavelength and getting less loud

Answer

Longer wavelength and getting louder

Question 19

You are the observer looking at the ambulance. As the ambulance approaches, what is happening to the wavelength of sound and the pitch of the sound?

Accepted Answer

Shorter wavelength and getting louder

Answer

Longer wavelength and getting less loud

Answer

Longer wavelength and getting louder

Answer

Shorter wavelength and getting less loud

Question 20

What side of the spectrum is most harmful?

What side of the spectrum is harmless?

Accepted Answer

Left side is harmful

Right side is harmless

Answer

Right side is harmful

Left side is harmless

The Doppler Effect

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