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Determine the amount of time it takes for $X$ -rays of frequency $3 \times 10^{18}$ Hz to travel (a) 1 $\mathrm{mm}$ and (b) 1 $\mathrm{cm} .$

a) $\mathrm{d}=1 \mathrm{mm}, \mathrm{t}=\frac{10^{-3}}{3 \times 10^{8}}=3.33 \times 10^{-12} \mathrm{s}$b) $\mathrm{d}=1 \mathrm{cm}, \mathrm{t}=\frac{10^{-2}}{3 \times 10^{8}}=3.33 \times 10^{-11} \mathrm{s}$

Physics 102 Electricity and Magnetism

Chapter 24

Electromagnetic Waves

University of Michigan - Ann Arbor

Simon Fraser University

Hope College

University of Winnipeg

Lectures

03:40

In physics, electromagneti…

10:59

In physics, Maxwell's…

01:19

What is the speed of an el…

03:36

Medical X rays. Medical x …

00:27

Wave speed = $\frac{\text …

03:03

What is the frequency of a…

05:25

Calculate the wavelengths …

01:31

Medical x rays are taken w…

01:17

What are the wavelengths o…

10:21

a. What is the wavelength …

02:49

(II) (a) What is the wavel…

00:58

Radio waves travel at the …

02:03

(1) (a) What is the wavele…

05:19

In each case, given the fr…

03:08

(I) $(a)$ AM radio signals…

04:21

The speed of electromagnet…

02:16

AM radio signals have freq…

01:12

An X-ray machine used for …

00:51

Compare the speed, wavelen…

04:59

Radio Wave AM-radio signal…

05:15

(a) What is the frequency …

01:41

What is the wavelength of …

in number 15 were given X ray that has a frequency of three times 10 to the 18th hurts and I'm asked to find How long does it take to travel Millimeter, And how long does it take to travel? Centimeter Electromagnetic waves traveled a constant speed. So my basic equation is my constant speed equation. And if I'm solving for time, we could tell I can multiply both sides by time. Divide those times by velocity, and I get that time will equal the distance divided by speed. I'm just going to use that equation for each of these time we equal distance divided by velocity. My distance is one millimeter. I need to put that into meters. So 10.1 and my speed is the speed of electromagnetic waves. All the same, Felix, For this one, I get three times in the neck. 12. That would be second. I could change it. A *** 12 prefixes PICO or some people say Pike. Oh, so that is three PICO seconds. And here for one senator, it's gonna be just 0.1 devotedly three times to leave. So this will be three times to native 11th seconds or until its power. 10 more than that. So 30 peak of seconds

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