A compass needle points to the North Star.
Answer the following statement true (T) or false (F)
False
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Why was the Shoemaker-Levy 9 impact on Jupiter so important to astronomers?
A) It dredged up material that allowed us to learn about Jupiter's interior. B) It wiped out the dinosaurs. C) It was the first clear evidence that impacts really occur. D) It confirmed our theory of solar system formation. E) It was the first event in modern history that was brighter than the full moon in the sky.
For the following allowed transitions, which photon would have the largest wavelength when an electron "jumps" from one energy level, characterized by the quantum number n, to another?
a. n = 2 to n = 1 b. n = 3 to n = 2 c. n = 3 to n = 1 d. n = 1 to n = 3 e. n = 4 to n = 1
In a given reversible process, the temperature of an ideal gas is kept constant as the gas is compressed to a smaller volume. Which one of the following statements about the gas is correct?
A) The gas must absorb heat from its surroundings. B) The gas must release heat to its surroundings. C) The pressure of the gas also stays constant. D) The process is adiabatic. E) It is impossible to predict on the basis of this data.
A combination of one or more fundamental units is called a(n) ______________ unit
Fill in the blank(s) with correct word