Which of the following is not a method astronomers use to determine the physical conditions inside the Sun?
A) observing x-ray images of the solar interior using satellites
B) building mathematical models that use the laws of physics
C) detecting solar neutrinos generated in the Sun's core
D) measuring Doppler shifts to observe solar vibrations
A) observing x-ray images of the solar interior using satellites
You might also like to view...
An astronaut is in an all-metal chamber outside the space station when a solar storm results in the deposit of a large positive charge on the station. Which statement is correct?
a. The astronaut must abandon the chamber immediately to avoid being electrocuted. b. The astronaut will be safe only if she is wearing a spacesuit made of non-conducting materials. c. The astronaut does not need to worry: the charge will remain on the outside surface. d. The astronaut must abandon the chamber if the electric field on the outside surface becomes greater than the breakdown field of air. e. The astronaut must abandon the chamber immediately because the electric field inside the chamber is non-uniform.
According to the equipartition theorem, the molar heat capacity of a monatomic ideal gas
A pair of parallel plates, forming a capacitor, are charged. The plates are pulled apart to triple the original separation, the charges on the plates remaining the same. What is the ratio of the final energy stored to the original energy stored?
a. 1/9 c. 1/3 b. 1.5 d. 3
Which of the following is NOT true about scannability?
A. Use short paragraphs and bulleted lists. B. Begin paragraphs with a topic sentence. C. Use of only uppercase characters can increase scannability. D. All of the above are true.