A beam of light of two different wavelengths enters a pane of glass 3.00 mm thick at an angle of incidence of 56°
The indices of refraction for the two different colors are 1.514 and 1.528. Because of dispersion, the colored beams, although parallel, are separated by a small distance. How far apart are they?
A) 0.057 mm
B) 0.0083 mm
C) 0.025 mm
D) 0.014 mm
E) 0.0062 mm
D
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A runner runs 10 m from the origin toward the WEST to point A. He then runs from point A 20 m more toward the WEST to point B. He then runs from point B 30 m more toward the EAST to point C. The runner's total displacement from the origin to point C is
A. 60 m toward the WEST. B. 50 m toward the EAST. C. 20 m toward the WEST. D. 10 m toward the EAST. E. 0 m.
A motorcycle of mass 100 kilograms slowly rolls off the edge of a cliff and falls for three seconds before reaching the bottom of a gully. Its momentum upon hitting the ground is
A) 1,000 kg m/s. B) 2,000 kg m/s. C) 3,000 kg m/s. D) 4,000 kg m/s. E) 9,000 kg m/.
How many large moons does Saturn have?
A) 4 B) 3 C) 2 D) 1 E) 0
The resistance of an object is defined as
A) (length)/(resistivity)(cross-sectional area). B) (current)/(voltage). C) (voltage)/(current). D) (length)(resistivity)(cross-sectional area). E) (voltage)(current).