Light and Spectra

Which wave has a longer wavelength?

• Wave 1

• Wave 2

Which wave has a higher frequency?

• Wave 1

• Wave 2

If wave A is purple and has double the amplitude of wave B, which statment is true?

• Wave B is in the ultraviolet range
• Wave B is red
• Wave A is brighter than wave B
• Wave B is brighter than wave A

Which wave possess higher energy?

• Wave 1

• Wave 2

If one wave is green and one is red, which is which?

• Wave 1 is red, wave 2 is green

• Wave 2 is red, wave 1 is green

What is the typical unit used for frequency?

• nm

• m/s

• s^-1

• Hz

If an electromagnetic wave has a measured wavelength of 0.351 nm, what kind of light is it?

• X-ray

• Ultraviolet

• Green (visible)

• Microwave

If a wave has a frequency of 4.5x1015 Hz (s-1), what is its wavelength in nm?

• 666.7 nm

• 1.35x1033 nm

• 66.7 nm

• 1.35 nm

What type of electromagnetic radiation is the wave from the previous question (66.7 nm)?

• Infrared

• Ultraviolet

• Violet (visible)

• Microwave

If a wave has a frequency of 6.3x1014 Hz (s-1), what is its wavelength in nm?

• 59.8 nm

• 598 nm

• 476 nm

• 4.76 nm