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(a) What is the ratio of power outputs by two microwave ovens having frequencies of 950 and 2560 MHz, if they emit the same number of photons per second? (b) What is the ratio of photons per second if they have the same power output?

a) 2.69b) 0.371

Physics 103

Chapter 29

Introduction to Quantum Physics

Quantum Physics

Rutgers, The State University of New Jersey

Simon Fraser University

University of Sheffield

McMaster University

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

02:16

How many photons per secon…

02:54

A microwave oven uses elec…

02:31

A radio station broadcasts…

03:08

An FM radio station broadc…

02:56

(a) If the power output of…

02:01

An FM radio transmitter ha…

01:07

A 1000 kHz AM radio statio…

01:31

A microwave oven produces …

Find the rate of photon pr…

01:09

01:32

(a) Two microwave frequenc…

01:40

01:43

04:16

(a) How many photons are e…

02:07

05:15

On its high power setting,…

08:10

(a) How many photons per s…

117. An AM radio transmitt…

05:22

(a) What is the frequency …

02:03

(a) Find the energy in jou…

So in this problem, we have ah, impart a so suppose Ah, we have to kind of ah foe tone. So for the first photo we have of the frequency 9 50 megahertz and for the 2nd 1 we have, ah, the frequency to 560 megahertz. So we want to So suppose they have the same amount of electron a photon comes out Aah! Ending its second. So we want to figure out the power ratio. So basically, the power equal h 8th 8 times at this gives us the energy of a single photon right and comes in. So is the number four times in one second. So this gives us the power in one second. So we have p one overpay to equal h F one in Dibaba each have to write, So this equal eight F one over half too. And this is a point 371 and the in part B. So suppose they have the same power. Ah, that means because people h f times entry. So we have a TSH F one and one equal age of two and two. So we have one went over into equal F two over f one. So that gives us ah, the ratio of and Wilbur and two That's 2.69

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