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The photons used in microwave ovens have a momentum of$5.1 \times 10^{-33} \mathrm{kg} \cdot \mathrm{m} / \mathrm{s}$ . (a) What is their wavelength? (b) How does the wavelength of the microwaves compare with the size of theholes in the metal screen on the door of the oven?

a) $=[0.13 \mathrm{m}]$b) much greater

Physics 103

Chapter 30

Quantum Physics

University of Washington

Simon Fraser University

University of Sheffield

McMaster University

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

01:19

Many microwave ovens use m…

05:22

(a) What is the frequency …

02:54

A microwave oven uses elec…

00:53

What is the frequency of t…

00:58

(a) What is the wavelength…

01:01

01:32

$\cdot$ Microwave Oven If …

03:26

Your microwave oven cooks …

02:41

The microwaves in a certai…

05:08

A photon produced by an X-…

momentum of photons eyes equal to, uh, momentum. Oh, photons is equal to 5.1. Multiply my tender, the power minus 33 kilogram mater per second part of you. We know the Atlanta equals. It's demanded by P. Itches. Blanks constant. It's equal to 6.63 Motive Life. I tend to departure minus 34. Divided by P is momentum momentum. It's 5.1, multiplied by 10 to the power minus 33. And this gives us 1.3 dividing the two numbers, dividing planks constant in momentum. We get 1.3 multiplied by 10 to the power minus one, and the Sequels minus one and is equals 0.13 meters are being since the size of the hole in the metals. The crane on the door off the open is very small. Um, metal screen on the door off the open is very small. It's very small. It's very small, so the devil into photons is much greater. So grab lint where Lenk off What Dawn's for tones is much greater, much greater then the metal supreme on the door off the open gap Lento photons is much greater than then, um the size of the holes, the size off the holes, the signs of the holes and the holes are in the metal, securing on the door off the open.

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