QQuestionPhysics
QuestionPhysics
Which property of light waves is a measure of the brightness of the light? Select all that apply.
a) frequency
b) velocity
c) amplitude
d) wavelength
Which property of light waves specifies the color of the light? Select all that apply.
a) frequency
b) velocity
c) amplitude
d) wavelength
Which property of light is related to the energy of the light? Select all that apply.
a) frequency
b) velocity
c) amplitude
d) wavelength
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Answer
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Step 1:I'll solve this step by step, focusing on the properties of light waves:
Step 2:: Brightness of Light
The amplitude of a light wave is a measure of its brightness. When the amplitude increases, the light appears brighter. Correct answers for brightness: c) amplitude
Step 3:: Color of Light
The frequency and wavelength of light determine its color. Different frequencies/wavelengths correspond to different colors in the visible spectrum. Correct answers for color: a) frequency d) wavelength
Step 4:: Energy of Light
The energy of light is directly related to its frequency. The higher the frequency, the more energy the light wave carries. Correct answers for energy: a) frequency
Final Answer
- Brightness: Amplitude - Color: Frequency and Wavelength - Energy: Frequency Key Concepts: - E = hf (Energy is proportional to frequency) - f = \frac{c}{\lambda} (Frequency relates to wavelength and speed of light) - Amplitude determines brightness - Frequency/wavelength determine color - Higher frequency means higher energy
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