GO In the rectangle of Fig. 24-55, the sides have lengths 5.0 cm and 15 cm. q 1 = −5.0 µ C, and q 2 = +2.0 µ C. With V = 0 at infinity, what is the electric potential at (a) corner A and (b) comer B ? (c) How much work is required to move a charge q 3 = +3.0 µC from B to A along a diagonal of the rectangle? (d) Does this work increase or decrease the electric potential energy of the three-charge system? Is more, less, or the same work required if q 3 is moved along a path that is (e) inside the rectangle but not on a diagonal and (f) outside the rectangle? Figure 24-55 Problem 51.
GO In the rectangle of Fig. 24-55, the sides have lengths 5.0 cm and 15 cm. q 1 = −5.0 µ C, and q 2 = +2.0 µ C. With V = 0 at infinity, what is the electric potential at (a) corner A and (b) comer B ? (c) How much work is required to move a charge q 3 = +3.0 µC from B to A along a diagonal of the rectangle? (d) Does this work increase or decrease the electric potential energy of the three-charge system? Is more, less, or the same work required if q 3 is moved along a path that is (e) inside the rectangle but not on a diagonal and (f) outside the rectangle? Figure 24-55 Problem 51.
GO In the rectangle of Fig. 24-55, the sides have lengths 5.0 cm and 15 cm. q1 = −5.0 µC, and q2 = +2.0 µC. With V = 0 at infinity, what is the electric potential at (a) corner A and (b) comer B? (c) How much work is required to move a charge q3 = +3.0 µC from B to A along a diagonal of the rectangle? (d) Does this work increase or decrease the electric potential energy of the three-charge system? Is more, less, or the same work required if q3 is moved along a path that is (e) inside the rectangle but not on a diagonal and (f) outside the rectangle?
Lab-Based Section
Use the following information to answer the lab based scenario.
A student performed an experiment in an attempt to determine the index of refraction of glass.
The student used a laser and a protractor to measure a variety of angles of incidence and
refraction through a semi-circular glass prism. The design of the experiment and the student's
results are shown below.
Angle of
Incidence (°)
Angle of
Refraction (º)
20
11
30
19
40
26
50
31
60
36
70
38
2a) By hand (i.e., without using computer software), create a linear graph on graph paper
using the student's data. Note: You will have to manipulate the data in order to achieve a
linear function.
2b) Graphically determine the index of refraction of the semi-circular glass prism, rounding your
answer to the nearest hundredth.
Use the following information to answer the next two questions.
A laser is directed at a prism made of zircon (n = 1.92) at an incident angle of 35.0°, as shown in
the diagram.
3a) Determine the critical angle of zircon.
35.0°
70°
55
55°
3b) Determine the angle of refraction when the laser beam leaves the prism.
Use the following information to answer the next two questions.
A laser is directed at a prism made of zircon (n = 1.92) at an incident angle of 35.0°, as shown in
the diagram.
3a) Determine the critical angle of zircon.
35.0°
70°
55
55°
3b) Determine the angle of refraction when the laser beam leaves the prism.
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