magnetic field

PHYS 2425- Exam 4

1.       The magnetic field equation for an electromagnetic wave is

Find an equation for the electric field and determine the direction which the wave travels. (20 points)

2.       Sarah is using a device which radiates electromagnetic wave uniformly in all direction. The information on this device specifies that the amplitude of electric field is 3.50 N/C at the distance of 10 m from source. What would be the amplitude of electric field for this device at the distance of 20 m? (20 points)

3.       The picture shows the path of ray when traveling from an unknown material to water and then air. (a)Find the index of refraction for the unknown material. (b) Find the angle between the normal and ray in air. (20 points)

4.      Use the information below for a concave mirror and (a) find the distance of the image to the mirror. (b) determine if it is real or virtual, (c) Draw a ray diagram, (d) Find the magnification. (20 points)

Radius of curvature= 32cm

Distance of the object to the mirror= 12 cm

5.      Use the information below for a converging lens and answer the questions. (20 points)

-Focal length=12 cm

-Image is virtual

-Distance of the image to the lens is 17 cm

-The image is on the right side of the lens

-Image is 8 mm tall

(a)What is the distance of the object to the lens?

(b)What is the size of object?

(c)Is the image upright or inverted?


Calculate the price of your order

Simple Order Process

Fill in the Order Form

Share all the assignment information. Including the instructions, provided reading materials, grading rubric, number of pages, the required formatting, deadline, and your academic level. Provide any information and announcements shared by the professor. Choose your preferred writer if you have one.

Get Your Order Assigned

Once we receive your order form, we will select the best writer from our pool of experts to fit your assignment.

Share More Data if Needed

You will receive a confirmation email when a writer has been assigned your task. The writer may contact you if they need any additional information or clarifications regarding your task

Let Our Essay Writer Do Their Job

Once you entrust us with your academic task, our skilled writers embark on creating your paper entirely from the ground up. Through rigorous research and unwavering commitment to your guidelines, our experts meticulously craft every aspect of your paper. Our process ensures that your essay is not only original but also aligned with your specific requirements, making certain that the final piece surpasses your expectations.

Quality Checks and Proofreading

Upon the completion of your paper, it undergoes a meticulous review by our dedicated Quality and Proofreading department. This crucial step ensures not only the originality of the content but also its alignment with the highest academic standards. Our seasoned experts conduct thorough checks, meticulously examining every facet of your paper, including grammar, structure, coherence, and proper citation. This comprehensive review process guarantees that the final product you receive not only meets our stringent quality benchmarks but also reflects your dedication to academic excellence.

Review and Download the Final Draft

If you find that any part of the paper does not meet the initial instructions, send it back to us with your feedback, and we will make the necessary adjustments.