Physics, 07.05.2021 17:50 alaina3792
Of the following, which has the longest wavelengths in the electromagnetic spectrum?
a. ultraviolet
b. infrared
c. gamma rays
d. microwaves
e. x rays
f. none of these
Answers: 2
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Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Of the following, which has the longest wavelengths in the electromagnetic spectrum?
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