A diatomic molecule has 18 × 10-5 eV of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?
A)
9.0 × 10-5 eV
B)
6.0 × 10-5 eV
C)
3.0 × 10-5 eV
D)
1.5 × 10-5 eV
E)
0 eV
E
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Mass on a Spring: A 3.7-kg block on a horizontal frictionless surface is attached to an ideal spring whose force constant (spring constant) is 450 N/m. The block is pulled from its equilibrium position at x = 0.000 m to a position x = +0.080 m and is released from rest. The block then executes simple harmonic motion along the horizontal x-axis. The maximum elastic potential energy of the system is closest to
A. 1.4 J. B. 1.3 J. C. 1.6 J. D. 1.7 J. E. 1.8 J.
What is the primary way in which high-mass stars recycle material into the interstellar medium?
A) through stellar winds and supernova explosions B) through the formation of planetary nebulae C) through protostar formation D) through stellar winds alone
The atomic nuclei of the same element always have the same number of protons
Indicate whether the statement is true or false.
Two point sources of light of wavelength 600 nm are being viewed by a telescope of aperture width 2.0 cm. What is the closest angular separation at which the two sources can be resolved?
a. 
b. 
c. 
d. 
e. 