The densest stars in the H-R diagram are the white dwarfs
Indicate whether the statement is true or false
T
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Brian is working on a project that involves astronomical calculations. The numbers involved in the calculations are very large, and the calculations require him to write too many zeros. Which of the following methods should Brian use to express the numbers without writing a great many zeros?
A) Theoretical notation B) The octal numeral system C) The binary number system D) Scientific notation
Surface tension is a direct result of
A) viscosity. B) Archimedes' principle. C) adhesive forces between molecules in a liquid or solid. D) cohesive forces between molecules in a liquid.
Our Moon revolves about Earth in the same direction as Earth's direction of rotation about its own axis. The gravitational attraction of the Moon causes tides on Earth, which gradually slow down its rotation about its own axis
What consequences does this have for the Moon?
In a two-slit experiment using coherent light, the distance between the slits and the screen is 1.10 m, and the distance between the slits is 0.100 mm
If the first-order bright fringe is measured to be 3.40 cm from the centerline, what is the wavelength of the light? A) 3.09 ?m B) 241 nm C) 2.11 ?m D) 354 nm E) 133 nm