The chromosphere of the sun
a. is hotter than the photosphere.
b. appears yellow-white in color during total solar eclipse.
c. is the visible surface of the sun.
d. produces an absorption spectrum.
e. all of the above
A
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A) faster. B) slower still. C) both of these D) neither of these
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What is the wavelength of a neutron having a kinetic energy of 0.025 eV? (The mass of a neutron is 1.67 × 10-27 kg.)
A) 3.7 × 10-22 m B) 2200 m C) 1100 m D) 1.8 × 10-10 m E) 3.2 × 10-20 m