Reference no: EM13950888
QN 1) The sun radiates energy like a black body. This allows astronomers to estimate
A) The sun's mass
B) The sun's radius
C) The sun's composition
D) The sun's temperature
QN 2) Which law allows Astronomers to calculate a star's surface temperature?
A) Wein's Law
B) Stefan-Boltzmann's Law
C) Sonin Law
D) Kelper's Law
QN 3) The chemical makeup of the Sun's photosphere can be determined by studying it's?
A) Emission spectrum
B) Blackbody spectrum
C) Continuous spectrum
D) Absorption spectrum
QN 4) Why is a scientific theory not rejected completely when a new unexplained discovery is made?
A) The old theory is not verified
B) The old been shown to have no validity
C) The old theory is fully verified
D) Theories that accurately describe the workings of physical reality are not useful.
QN 5) Short wavelength radiation
A) Can't be detected
B) Has more energy than long wavelength radiation
C) Travels slower than long wavelength radiation
D) Has the same color as long wavelength radiation.
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