Conditions inside the darkest, densest nebulae are best studied with radio emission from molecules
Indicate whether the statement is true or false
TRUE
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Spherical Mirrors: A cell phone that is 8.90 cm tall is placed in front of a convex mirror. The image of the phone is 7.80 cm tall and is located 14.8 cm from a mirror. What is the mirror's focal length?
A. -120 cm B. -105 cm C. +16.9 cm D. -13.0 cm E. +120 cm
Jupiter's atmosphere looks uniform and calm, with no visible detail
Indicate whether the statement is true or false
If the temperature of a room is 62
then what is the temperature of the room in Kelvin?
A. 289.8 K B. 291.7 K C. 300.0 K D. 307.8 K E. 312.0 K
Four of the five answers below are correct statements about electrons. Select the exception
a. Electrons closest to the nucleus are at the lowest energy level. b. No more than two electrons can occupy a single orbital. c. Electrons cannot move out of their assigned orbital space. d. The innermost orbital holds two electrons. e. At the second energy level, there are four possible orbitals with a total of eight electrons.