Both the English physicist Michael Faraday and the American physicist Joseph Henry independently discovered electromagnet induction at about the same time. In Henry’s electrical experiments, his wife sacrificed part of her wedding gown for silk to insulate the wires of his electromagnets. What was the purpose of the silk covering?
Both the English physicist Michael Faraday and the American physicist Joseph Henry independently discovered electromagnet induction at about the same time. In Henry’s electrical experiments, his wife sacrificed part of her wedding gown for silk to insulate the wires of his electromagnets. What was the purpose of the silk covering?
Both the English physicist Michael Faraday and the American physicist Joseph Henry independently discovered electromagnet induction at about the same time. In Henry’s electrical experiments, his wife sacrificed part of her wedding gown for silk to insulate the wires of his electromagnets. What was the purpose of the silk covering?
Interaction between an electric field and a magnetic field.
Statistical thermodynamics. The number of imaginary replicas of a system of N particlesa) cannot be greater than Avogadro's numberb) must always be greater than Avogadro's number.c) has no relation to Avogadro's number.
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.
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What is Electromagnetic Induction? | Faraday's Laws and Lenz Law | iKen | iKen Edu | iKen App; Author: Iken Edu;https://www.youtube.com/watch?v=3HyORmBip-w;License: Standard YouTube License, CC-BY