In Fig. 22-27, two identical circular nonconducting rings are centered on the same line with their planes perpendicular to the line. Each ring has charge that is uniformly distributed along its circumference. The rings each produce electric fields at points along the line. For three situations, the charges on rings A and B are, respectively, (1) q 0 and q 0 , (2) − q 0 and − q 0 , and (3) − q 0 and q 0 . Rank the situations according to the magnitude of the net electric field at (a) point P 1 midway between the rings, (b) point P 2 at the center of ring B , and (c) point P 3 to the right of ring B , greatest first. Figure 22-27 Question 6.
In Fig. 22-27, two identical circular nonconducting rings are centered on the same line with their planes perpendicular to the line. Each ring has charge that is uniformly distributed along its circumference. The rings each produce electric fields at points along the line. For three situations, the charges on rings A and B are, respectively, (1) q 0 and q 0 , (2) − q 0 and − q 0 , and (3) − q 0 and q 0 . Rank the situations according to the magnitude of the net electric field at (a) point P 1 midway between the rings, (b) point P 2 at the center of ring B , and (c) point P 3 to the right of ring B , greatest first. Figure 22-27 Question 6.
In Fig. 22-27, two identical circular nonconducting rings are centered on the same line with their planes perpendicular to the line. Each ring has charge that is uniformly distributed along its circumference. The rings each produce electric fields at points along the line. For three situations, the charges on rings A and B are, respectively, (1) q0 and q0, (2) −q0 and −q0, and (3) −q0 and q0. Rank the situations according to the magnitude of the net electric field at (a) point P1 midway between the rings, (b) point P2 at the center of ring B, and (c) point P3 to the right of ring B, greatest first.
1 . Solve the equation 2/7=y/3 for y.
2. Solve the equation x/9=2/6 for x.
3. Solve the equation z + 4 = 10
This is algebra and the equation is fraction.
two satellites are in circular orbits around the Earth. Satellite A is at an altitude equal to the Earth's radius, while satellite B is at an altitude equal to twice the Earth's radius. What is the ratio of their periods, Tb/Ta
Fresnel lens: You would like to design a 25 mm diameter blazed Fresnel zone plate with a first-order power of
+1.5 diopters. What is the lithography requirement (resolution required) for making this lens that is designed
for 550 nm? Express your answer in units of μm to one decimal point.
Fresnel lens: What would the power of the first diffracted order of this lens be at wavelength of 400 nm?
Express your answer in diopters to one decimal point.
Eye: A person with myopic eyes has a far point of 15 cm. What power contact lenses does she need to correct
her version to a standard far point at infinity? Give your answer in diopter to one decimal point.
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