What causes chromatic aberration?
A. the index of refraction is a function of wavelength
B. the outer edges of the lens produce a focus at a different point from the central rays
C. the absorption of light in the glass is a function of wavelength
D. the coefficient of reflection is a function of wavelength
A. the index of refraction is a function of wavelength
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What is the significance of the colors of Uranus and Neptune?
What will be an ideal response?
If the 5th order minimum in the diffraction pattern is at 40°, what is the highest order minimum in the pattern?
A) 6 B) 11 C) 8 D) 7 E) 9
What change in the Sun during the solar system's history is thought to be important to understanding the climates of Venus, Earth, and Mars?
A) a gradual brightening with time B) a gradual dimming with time C) a gradual weakening of the solar wind with time D) a gradual reduction in the amount of ultraviolet and x-ray radiation coming from the Sun
Two equal point charges Q are separated by a distance d. One of the charges is released and moves away from the other due only to the electrical force between them. When the moving charge is a distance 3d from the other charge, what is its kinetic energy?
What will be an ideal response?