The primary mechanism for the absorption of infrared radiation is by excitation of:
(a) The core atom electrons
(b) Atomic vibrations
(c) The nucleus
(d) Valence-band electrons
(b) Atomic vibrations
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An ideal air-filled parallel-plate capacitor consists of plates that are 1.0 mm apart and have an area of 1.5 × 10-4 m2
The capacitor is connected to a 12-V potential source (battery). (?0 = 8.85 × 10-12 C2/N ? m2) (a) What is the capacitance of this capacitor? (b) How much charge is on each of its plates? (c) What is the strength of the electric field between the plates?
T Tauri stars are believed to be young, high mass main sequence stars
Indicate whether the statement is true or false
The surface of Mars is surprisingly smooth and featureless
Indicate whether the statement is true or false
The prefix yotta (Y) signifies a multiple of 1024. How many yottameters are there in a gigameter?
What will be an ideal response?