Physics Final Exam

These three factors determine how much energy is transferred in a wire.

• Diameter, length, and material

• Frequency, amplitude, and wavelength

• Time, speed, and resistance

This is the distance between two consecutive peaks or troughs in a wave.

• Wavelength

• Frequency

• Amplitude

• Wave speed

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This property of a wave determines how many waves pass a point per second.

• Wavelength

• Frequency

• Amplitude

• Period

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These are the highest and lowest points of a transverse wave.

• Peaks and valleys

• Amplitude and trough

• Crest and trough

• Wavefront and amplitude

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Describe how increasing the frequency affects the wavelength if the speed stays constant.

• Wavelength increases.

• Wavelength decreases.

• Wavelength remains the same.

• Wavelength becomes zero.

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This form of electromagnetic radiation is visible to the human eye.

• Infrared

• Visible light

• Ultraviolet

• Gamma rays

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This is the type of electromagnetic radiation with the highest energy.

• Microwaves

• Gamma rays

• Ultraviolet rays

• X-rays

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This determines where a form of radiation falls on the spectrum.

• Speed

• Energy

• Wavelength and frequency

• Amplitude

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Rank the following by smallest to largest wavelength: microwaves, gamma rays, visible light.

• Gamma rays < visible light < microwaves

• Microwaves < gamma rays < visible light

• Visible light < gamma rays < microwaves

• Microwaves < visible light < gamma rays

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Explain how frequency and wavelength are related across the spectrum.

• They are directly proportional (one increases, the other increases)

• They are inversely proportional (one increases, the other decreases).

• They are independent of each other.

• They have no consistent relationship.

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