Light having a wavelength in vacuum of 600 nm enters a liquid of refractive index 2.0. In this liquid, its wavelength will be
A) 1200 nm
B) 600 nm
C) 300 nm
D) 150 nm
E) None of the above choices are correct.
C
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Fluid Flow: Water flows out of a large reservoir through an open pipe, as shown in the figure. What is the speed of the water as it comes out of the pipe?
A. 8.9 m/s B. 9.9 m/s C. 13 m/s D. 14 m/s E. 16 m/s
If a sphere of material with average density 1000 kg/m3 were made large enough to reach the Schwarzschild radius, what would be its mass?
A) 4.3 x 108 m B) 4.0 x 1011m C) 1.3 x 1028 kg D) 2.7 x 1038 kg E) 3.4 x 1045 kg
Sodium metal is
A) oxidized in the production of aluminum. B) reduced in the production of aluminum. C) both oxidized and reduced in the production of aluminum. D) neither oxidized nor reduced in the production of aluminum.
The ozone layer is a region within the
A) troposphere. B) stratosphere. C) mesosphere. D) ionosphere.