Download the App!

Get 24/7 study help with the Numerade app for iOS and Android! Enter your email for an invite.

Doorway diffraction. If your wavelength were $1.0 \mathrm{m},$ you would undergo considerable diffraction in moving through a doorway. (a) What must your speed be for you to have this wavelength? (Assume that your mass is 60.0 $\mathrm{kg} .$ ) (b) At the speed calculated in part (a), how many years would it take you to move 0.80 $\mathrm{m}$ (one step)? Will you notice diffraction effectsas you walk through doorways?

Get the answer to your homework problem.

Try Numerade free for 7 days

Like

Report

$2.3 \times 10^{27}$ years

Physics 102 Electricity and Magnetism

Physics 103

Chapter 28

Photons, Electrons, and Atoms

Electromagnetic Waves

Atomic Physics

University of Washington

Hope College

University of Sheffield

McMaster University

Lectures

02:42

Atomic physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. It is primarily concerned with the arrangement of electrons around the nucleus and the processes by which these arrangements change. The theory of quantum mechanics, a set of mathematical rules that describe the behaviour of matter and its interactions, provides a good model for the description of atomic structure and properties.

03:50

In atomic physics, the Rutherford-Bohr model or Bohr model or Bohr model of the atom was first proposed by Niels Bohr in 1913. It was the first quantum theory of the atomic structure, applying the principles of quantum mechanics to the hydrogen atom. The Rutherford-Bohr model is a planetary model in which the electron is assumed to revolve around the nucleus in circular orbits. The Rutherford-Bohr model of the atom was based on Max Planck's quantum theory of radiation, which explained the spectrum of blackbody radiation, and Albert Einstein's theory of the photoelectric effect, which explained the origin of the spectrum of line emission from atoms. The Bohr model of the atom was the first to explain the discrete spectrum of hydrogen and how the spectral lines of the hydrogen atom were split into multiple spectral lines in a phenomenon called the fine structure. It introduced the Bohr radius and the concept of quantum levels to explain the discrete nature of the spectrum of the hydrogen atom. The Bohr model of the atom had a significant influence on the development of quantum mechanics, and was instrumental in the development and validation of quantum mechanics.

02:27

Doorway Diffraction. If yo…

05:29

02:23

If your de Broglie wavelen…

03:03

02:28

Diffraction effects become…

01:53

03:31

$\bullet$$\bullet$ Doorway…

02:56

Diffraction occurs for all…

01:18

A doorway acts as a single…

0:00

An 81 -kg student who has …

04:30

As an example of diffracti…

01:01

In principle, a baseball c…

Okay, So in order to do so, Fracked through a door, you need a wavelength to broke me wavelength on the order of one meter. And this is related to the Mo mentum through P equals h divided by Landa and momentum is equal to M V. So if lambda is one is one meter, then we have is equal to 6.63 times 10 to the negative 34 divided by 60 kilograms which is Theus Umed Mass. And this comes out toe 1.1 times 10 to the negative, 35 meters per second. So one would have to be moving extremely slowly and were asked as well a tte this speed. How long would it take to take a step? Assuming a step, it is 0.8 meters long. Um, yeah, let's convert this to units of years. So we have 60 times 60 times, 24 times 3 65 and this comes out to 2.3 times 10 to the 27 years. So the diffraction is really not a significant effect that human skills

View More Answers From This Book

Find Another Textbook

02:06

1) A satellite of mass m 200 kg is released from rest a distance H = 1.5 x 1…

02:50

A 575 nm wavelength electromagnetic ~ wave has average Intensity of the wave…

01:25

An electromagnetic wave has wavelength of 450 nm in vacuum What is its 67x1…

05:06

2. Using the work-energy theorem; when driving 90 km/hr; how much more dista…

04:39

A loop of wire is pulled with constant velocity to the right through a regio…

03:07

The position the particle given by (0.571t2 4.00t 6) m where (FigurePart…

02:04

19) When sound wave goes from air into water; the quantity that remains unch…

02:21

(b) Next the students connect - block of mass Mona table with a 4 Foints han…

01:15

3. Which equation correctly describes the condition for observing the third …

00:54

The momentum of a +kg ball moving with spced of 5 m/s isa) 5.0 kgm/s…