What is the frequency of monochromatic light where the photon energy is 4.3 × 10^?19 J? (h = 6.63 × 10^?34 J?s)
a. 4.3E+15 Hz
b. 2.1E+15 Hz
c. 6.5E+14 Hz
d. 1.9E+14 Hz
e. 6.5E+13 Hz
c
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Carbon dioxide is stored in four containers at different temperatures. Container 1 contains the gas at 200 degrees Celsius, Container 2 contains the gas at 300 degrees Celsius, Container 3 contains the gas at 400 degrees Celsius, and Container 4 contains the gas at 500 degrees Celsius. Which of the following containers contains the gas with the lowest opacity?
A) Container 1 B) Container 2 C) Container 3 D) Container 4
All the constellations in the sky were created by the Greeks
a. True b. False Indicate whether the statement is true or false
In the above model of an atom, where would the proton be located?
a. A
b. 1
c. 2
d. 3
The amount of gravitational force that acts on a space vehicle that orbits Earth is
A) nearly zero. B) nearly as much as the vehicle's weight on Earth's surface. C) the same as the vehicle's weight on Earth's surface.