PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
6th Edition
ISBN: 9781429206099
Author: Tipler
Publisher: MAC HIGHER
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Chapter 34, Problem 18P
To determine
The density of photon in the beam.
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I have a physocs question as follows : Photons of wavelength 140 nm are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular arc of radius 1.08 cm by a magnetic field having a magnitude of 6.30 10-4 T. What is the work function of the metal (eV)?
A light detector (your eye) has an area of 2.00*10-6 m2 and absorbs 80% of the incident light, which is at wavelength 500 nm. The detector faces an isotropic source, 3.00 m from the source. If the detector absorbs photons at the rate of exactly 4.000 s-1, at what power does the emitter emit light?
A parallel beam of 500-keV photons is normally incident on 0.8 cm sheet of lead (density = 11.4 g/cm³) at a
rate of 2x10 photns/sec. µ/p = 0.16 cm²/g, Hen/p = 0.09 cm²/g, H/p = 0.11 cm²/g
What is the fraction of photons transmitted without interaction?
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Chapter 34 Solutions
PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
Ch. 34 - Prob. 1PCh. 34 - Prob. 2PCh. 34 - Prob. 3PCh. 34 - Prob. 4PCh. 34 - Prob. 5PCh. 34 - Prob. 6PCh. 34 - Prob. 7PCh. 34 - Prob. 8PCh. 34 - Prob. 9PCh. 34 - Prob. 10P
Ch. 34 - Prob. 11PCh. 34 - Prob. 12PCh. 34 - Prob. 13PCh. 34 - Prob. 14PCh. 34 - Prob. 15PCh. 34 - Prob. 16PCh. 34 - Prob. 17PCh. 34 - Prob. 18PCh. 34 - Prob. 19PCh. 34 - Prob. 20PCh. 34 - Prob. 21PCh. 34 - Prob. 22PCh. 34 - Prob. 23PCh. 34 - Prob. 24PCh. 34 - Prob. 25PCh. 34 - Prob. 26PCh. 34 - Prob. 27PCh. 34 - Prob. 28PCh. 34 - Prob. 29PCh. 34 - Prob. 30PCh. 34 - Prob. 31PCh. 34 - Prob. 32PCh. 34 - Prob. 33PCh. 34 - Prob. 34PCh. 34 - Prob. 35PCh. 34 - Prob. 36PCh. 34 - Prob. 37PCh. 34 - Prob. 38PCh. 34 - Prob. 39PCh. 34 - Prob. 40PCh. 34 - Prob. 41PCh. 34 - Prob. 42PCh. 34 - Prob. 43PCh. 34 - Prob. 44PCh. 34 - Prob. 45PCh. 34 - Prob. 46PCh. 34 - Prob. 47PCh. 34 - Prob. 48PCh. 34 - Prob. 49PCh. 34 - Prob. 50PCh. 34 - Prob. 51PCh. 34 - Prob. 52PCh. 34 - Prob. 53PCh. 34 - Prob. 54PCh. 34 - Prob. 55PCh. 34 - Prob. 56PCh. 34 - Prob. 57PCh. 34 - Prob. 58PCh. 34 - Prob. 59PCh. 34 - Prob. 60PCh. 34 - Prob. 61PCh. 34 - Prob. 62PCh. 34 - Prob. 63PCh. 34 - Prob. 64PCh. 34 - Prob. 65PCh. 34 - Prob. 66PCh. 34 - Prob. 67PCh. 34 - Prob. 68PCh. 34 - Prob. 69PCh. 34 - Prob. 70PCh. 34 - Prob. 71PCh. 34 - Prob. 72PCh. 34 - Prob. 73P
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- An AM radio transmitter radiates 500 kW at a frequency of 760 kHz. How many photons per second does the emitter emit?arrow_forwardEstimate the frequency of the KaX-ray from cesium.arrow_forwardIf the work function of a metal is 3.2 eV, what is the maximum wavelength that a photon can have to eject a photoelectron from this metal surface?arrow_forward
- A 600-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.17 eV are emitted. Determine (a) the work function and (b) the cutoff frequency of the surface. (c) What is the stopping potential when the surface is illuminated with light of wavelength 400 nm?arrow_forwardA helium–neon laser emits red light at wavelength l=633 nm in a beam of diameter 3.5 mm and at an energy-emission rate of 5.0mW. A detector in the beam’s path totally absorbs the beam. At what rate per unit area does the detector absorb photons?arrow_forwardA sodium vapor lamp (λ = 589 nm) with a power of 100 W radiates evenly in all directions. With what frequency are photons produced in the discharge lamp (frequency = number of photons per second)? At what distance from the vapor lamp will the absorbing screen receive photons with frequency 1 photon/(cm2.s)? What is the photon current (number of photons per unit area per unit time) on the small screenat a distance of 2 m from the discharge lamp?arrow_forward
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