Which one of the following mathematical expressions is correct for destructive interference for two beams of light in the double slit experiment?
A) Path Difference = (m - 1/2 ) ?, m = 0, ±1, ±2, . . .
B) Path Difference = ?/m, m = 0, ±1, ±2, . . .
C) Path Difference = m?, m = 0, ±1, ±2, . . .
D) Path Difference = m?2, m = 0, ±1, ±2, . . .
E) Path Difference = m/?, m = 0, ±1, ±2, . . .
A
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The greenish blue of water is evidence for the
A) reflection of greenish-blue light. B) reflection of red light. C) absorption of greenish-blue light. D) absorption of red light. E) interaction between green and blue frequencies of light.
Charge of uniform linear density (4.0 nC/m) is distributed along the entire x axis. Determine the magnitude of the electric field on the y axis at y = 2.5 m
a. 36 N/C b. 29 N/C c. 43 N/C d. 50 N/C e. 58 N/C
Determine the energy stored by C4 when C1 = 20 ?F, C2 = 10 ?F, C3 = 14 ?F, C4 = 30 ?F, and V0 = 45 V
a.
3.8 mJ
b.
2.7 mJ
c.
3.2 mJ
d.
2.2 mJ
e.
8.1 mJ
A new polymer is developed, and to characterize the electrical properties of the polymer, the capacitance is determined to be 20.36×10-13 F in a parallel-plate capacitor that has square plates with a side length of 10-2 m, and the thickness of the polymer sheet and the spacing between the plates is 10-3 m.
(a) What is the dielectric constant or relative permittivity of this new material? (b) If the capacitance measurement is made with an applied voltage of 10 volts, what is the magnitude of the polarization in the new polymer?