Two parallel beams of light in air strike the surface of a transparent material and the refracted beam 1 is closer to the normal than beam 2 . Which beam is traveling at higher speed in the material, and which beam has the higher index of refraction in the material?
a. beam 1, beam 1 b. beam 1, beam 2
c. beam 2, beam 2 d. beam 2, beam 1
d
You might also like to view...
A 2.00 kg mass is located at (4.00 m, 0.00 m, 0.00 m) and a 4.00 kg mass is located at (0.00 m, 3.00 m, 0.00 m). The center of gravity of the system of masses is
A. (1.33 m, 2.00 m, 0). B. (1.33 m, 1.00 m, 0). C. (1.50 m, 1.33 m, 0). D. (2.00 m, 1.33 m, 0). E. (1.33 m, 1.50 m, 0).
According to the text’s final model (including the ocean effect), about when will the earth’s average surface temperature be 288.4 K?
A. 2015 B. 2030 C. 2045 D. Some other date (specify)
Air within the funnel of a large tornado may have a pressure of only 0.2 atm. What is the approximate outward force on a (5 m × 10 m) wall if a tornado suddenly envelops the house? (1 atm = 1.01 × 105 N/m2.)
A. 4 × 103 N B. 4 × 104 N C. 4 × 105 N D. 4 × 106 N E. 7 × 105 N
When an object of mass m is pushed to relativistic speed v, its momentum is
A) greater than mv. B) smaller than mv. C) equal to mv.