1- Select the correct statement: A. ultraviolet light has a longer wavelength than infrared B. blue light has a higher frequency than x rays C. radio waves have higher frequency than gamma rays D. gamma rays have higher frequency than infrared waves E. electrons are a type of electromagnetic wave.

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Chapter34: Electromagnetic Waves
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Problem 34.75AP
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1- Select the correct statement:
A. ultraviolet light has a longer wavelength than infrared
B. blue light has a higher frequency than x rays
C. radio waves have higher frequency than gamma rays
D. gamma rays have higher frequency than infrared waves
E. electrons are a type of electromagnetic wave.
2-Light from some stars shows an apparent change in frequency because of:
A. interference
B. refraction by layers of air
C. diffraction D. reflection
E. relative motion
3- According to Gauss' law for magnetism, magnetic field lines:
A. form closed loops
B. start at south poles and end at north poles
C. start at north poles and end at south poles
D. start at both north and south poles and end at infinity
E. do not exist
4- The area under a velocity-time graph represents:
A. acceleration
B. change in acceleration
C. speed D. change in velocity
E. displacement
Transcribed Image Text:1- Select the correct statement: A. ultraviolet light has a longer wavelength than infrared B. blue light has a higher frequency than x rays C. radio waves have higher frequency than gamma rays D. gamma rays have higher frequency than infrared waves E. electrons are a type of electromagnetic wave. 2-Light from some stars shows an apparent change in frequency because of: A. interference B. refraction by layers of air C. diffraction D. reflection E. relative motion 3- According to Gauss' law for magnetism, magnetic field lines: A. form closed loops B. start at south poles and end at north poles C. start at north poles and end at south poles D. start at both north and south poles and end at infinity E. do not exist 4- The area under a velocity-time graph represents: A. acceleration B. change in acceleration C. speed D. change in velocity E. displacement
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