Chemistry, 15.01.2021 01:10 brucewaynel1043
1. Radiation with a frequency of 1.85 MHz, falls in the radio wave region. What is the wavelength (in nm) of this electromagnetic radiation?
(HINT: Hz is “cycles per second” and should be replaced by 1/s as a unit in the calculation. First convert MHz to Hz (106) also the final answer convert to nm. (10-9)
2. What is the frequency of visible light, which has a wavelength of 625 nm? What color is the wave?
(HINT: Notice for final answer that nm must be converted to m in order for the units to cancel properly)
Answers: 3
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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1. Radiation with a frequency of 1.85 MHz, falls in the radio wave region. What is the wavelength (i...
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