The human eye is sensitive to light with wavelength down to 710 nm. What is the frequency of radiation at this wavelength? (1 nm = 10?9 m and c = 3.00 × 10^8 m/s)
a. 4.23E+5 Hz
b. 4.42E+6 Hz
c. 4.23E+14 Hz
d. 4.37E+7 Hz
e. 2.18E+7 Hz
c
Physics & Space Science
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In the Local Group, most members are either dwarf ellipticals or spirals
Indicate whether the statement is true or false
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a. True b. False Indicate whether the statement is true or false
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The sulfur hexafluoride molecule consists of one sulfur atom and six fluorine atoms. The atomic masses of sulfur and fluorine are 32.0 u and 19.00 u, respectively. What mass does one mole of this gas have?
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