If the refractive index of the glass in a lens varies with wavelength, then which of the following results?
A) spherical aberration
B) light scattering
C) total reflection
D) astigmatism
E) chromatic aberration
E
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What are the dimensions of the diffusion constant?
a. 
b. 
c. 
d. 
e. 
A 120-kg mass rests on a horizontal surface. What is the magnitude of the normal force exerted by the surface on the mass?
What will be an ideal response?
The variable r that appears in the equation F = Gm1m2/r2 is
a. the straight-line distance between the centers of the two masses. b. the rate at which both objects are moving. c. the radius of the first mass. d. the radius of the second mass.
For experiments involving the setup shown in figure Q4.1b, which of the following possible results (if seen) regarding the final value displayed by the voltmeter would probably not be consistent with the wave model of light? 
A. It increases as the light’s intensity increases. B. It is independent of the light’s intensity. C. It varies as the light’s wavelength changes. D. It increases as the rate of electron ejection increases.