Lightwaves

Light intensity definition

• How bright a light is on an area

• The strength of energy in a light

• The amount of energy light waves carry to an area

• How fast light waves travel in time

The intensity of a light depends on

• Speed of the light’s energy

• strength of bonds

• Amplitude

• Distance

Tags

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What part of the light wave is this? Line between

• Wavelength

• Trough

• Light intensity

• Crest

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When shining white light on a prism what color is released on the other side?

• Red

• green

• rainbow

• Blue

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When light waves travel farther they spread out, causing the light intensity to_____________.

• Increase

• Strengthen

• Weaken

• Decrease

What part of the light wave is this?

• The hump

• Crest

• Trough

• Wavelength

Tags

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The range of frequencies and wavelengths of all light waves.

• Visible light

• Light intensity

• Prism

• Electromagnetic spectrum

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What part of the wavelength is this?

• Trough

• Crests

• Wavelength

• Low point

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Scientists use_________ or________ to distinguish light waves from each other.

• Speed, frequency

• Wavelength, amplitude

• Wavelength, frequency

• Frequency, intensity

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The intensity of light depends on the ______ of the light waves.

• Amplitude

• Frequency

• Speed

• Wavelength

Tags

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