8.8C Electromagnetic Spectrum

Front

What is the correct order of the visible light spectrum starting with the longer wavelength?

Back

Red, orange, yellow, green, blue, indigo, violet.

Front

What is the distance between two crests or two troughs of a wave called?

Back

Wavelength.

Front

If a star's light has shifted towards the red side of the electromagnetic spectrum, what does this indicate?

Back

The star is moving away from the Earth.

Front

What is the Doppler Effect?

Back

A change in frequency due to the relative motion of a wave source and an observer.

Front

If a star's light has shifted towards the blue side of the electromagnetic spectrum, what does this indicate?

Back

The star is moving towards the Earth.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including visible light, radio waves, and X-rays.

Front

What type of wave is light?

Back

Electromagnetic wave.

Front

What is frequency in relation to waves?

Back

The number of waves that pass a point in one second.

Front

What is amplitude in relation to waves?

Back

The height of the wave from its rest position, indicating the energy of the wave.

Front

What happens to the wavelength of light as it moves from red to violet?

Back

The wavelength decreases.