During a total solar eclipse, what part of the Sun is often visible that we normally cannot see?
a. core
b. CMEs
c. corona
d. photosphere
e. solar wind
c
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Suppose the energy of the longest-wavelength photon emitted by an electron in a box of length L is Eph. What is the energy of the photon with the fourth-longest wavelength that might be emitted?
A. (4/3)Eph B. (5/3)Eph C. (7/3)Eph D. (8/3)Eph E. 3Eph
The heat required to change a substance from the liquid to the vapor state is referred to as the
A) heat of fusion. B) heat of vaporization. C) heat of evaporation. D) heat of condensation. E) heat of melting.
The electrical power dissipated by a resistance R is
a. inversely proportional to I. b. directly proportional to I2. c. directly proportional to I. d. none of these.
Correctly position these four planets within the accretion disk of our early Solar System based on the materials that were present where they formed.
What will be an ideal response?