Liquid crystal displays make use of
a. interference.
b. diffraction.
c. specular reflection.
d. diffuse reflection.
e. polarization.
e
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A container holds 1 million helium molecules at 300 K. If we double the gas’s temperature to 600 K, by about what factor does its multiplicity increase?
A. ln 2 B. 2 C. 23/2 D. 106 kB ln 2 E. 21,000,000 F. 21,500,000 T. Some other factor (specify)
According to the law of reflection, the angle of reflection is equal to ______________
Fill in the blank(s) with correct word
If a = 3.0 mm, b = 4.0 mm, Q1 = ?60 nC, Q2 = 80 nC, and q = 30 nC in the figure, what is the magnitude of the electric force on q?
a.
1.4 N
b.
1.0 N
c.
1.7 N
d.
2.0 N
e.
0.50 N
A 6.0-kg object exerts a force of 8.0 N on a 2.0-kg object. What is the magnitude of the force on the 6.0-kg object?