For visible light, which property of visible electromagnetic waves changes with color?
A. Frequency and wavelength
B. Amplitude and frequency
C. Frequency
D. Wavelength
E. Amplitude
Answer: A
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Three gases, one consisting of monatomic molecules, one consisting of diatomic molecules, and one consisting of polyatomic molecules, are in thermal equilibrium with each other and remain in thermal equilibrium as the temperature is raised. All have the same number of molecules. The gases with the least and greatest change in internal energy are respectively:
A. polyatomic, monatomic B. monatomic, polyatomic C. diatomic, monatomic D. polyatomic, diatomic E. monatomic, diatomic
An ice cube with large air bubbles in it floats in a brim-full container of water. When the ice cube melts,
A) water spills over. B) no change in water level occurs. C) water level in the container goes down.
Quenching into a saltwater brine produces a _________cooling rate than quenching into oil.
Fill in the blank(s) with the appropriate word(s).
What is the primary cause of Earth's seasons?
What will be an ideal response?