Like emission nebulae, planetary nebulae glow because hot stars are causing the gases to ionize when exposed to strong ultraviolet radiation
Indicate whether the statement is true or false
TRUE
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The process of planet formation in the early solar system is best described by which of the following terms?
A) precipitation B) consolidation C) condensation D) crystallization
If in a single slit diffraction experiment the wavelength is increased, which of the following happens to the diffraction pattern?
A) The central maximum broadens. B) The minima remain the same. C) Eventually you get double slit interference. D) The central maximum narrows. E) The minima get closer together.
Capacitance: When the magnitude of the charge on each plate of an air-filled capacitor is 4 ?C, the potential difference between the plates is 80 V. What is the capacitance of this capacitor?
A. 0.1 µF B. 50 µF C. 100 µF D. 20 µF E. 50 nF
What kind of thermal radiation does the Earth emit?
A) infrared light B) infrared, visible, and ultraviolet light C) infrared and visible light D) visible and ultraviolet light E) visible light