Modern Physics
3rd Edition
ISBN: 9781111794378
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Question
Chapter 3, Problem 11P
To determine
The number of photon emitted by the Sun.
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energy flux of sunlight reaching the surface of
the earth is 1.388 x 10^3 W/m^2. How many
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photons in the sunlight have an average
wavelength of 550 nm.
An FM radio station broadcasts at a frequency of 98.1 MHz. The power radiated from the antenna is 5.0 x 104 W. How many photons per second does the antenna emit?
The average power generated by the Sun has the value 3.74
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the average wavelength of the Sun’s radiation to be 500 nm, find the number of photons
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Chapter 3 Solutions
Modern Physics
Ch. 3.2 - Calculate the quantum number, n, for this pendulum...Ch. 3.2 - An object of mass m on a spring of stiffness k...Ch. 3 - Prob. 1QCh. 3 - Prob. 2QCh. 3 - Prob. 3QCh. 3 - Prob. 4QCh. 3 - Prob. 5QCh. 3 - Prob. 6QCh. 3 - Prob. 7QCh. 3 - Prob. 8Q
Ch. 3 - Prob. 9QCh. 3 - Prob. 10QCh. 3 - Prob. 11QCh. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Prob. 9PCh. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Prob. 12PCh. 3 - Prob. 13PCh. 3 - Prob. 14PCh. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - Prob. 17PCh. 3 - Prob. 18PCh. 3 - Prob. 19PCh. 3 - Prob. 20PCh. 3 - Prob. 21PCh. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Prob. 31PCh. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 3 - Prob. 34PCh. 3 - Prob. 35PCh. 3 - Prob. 36PCh. 3 - Prob. 37PCh. 3 - As a single crystal is rotated in an x-ray...Ch. 3 - Prob. 39PCh. 3 - Prob. 40PCh. 3 - Prob. 41PCh. 3 - Prob. 42PCh. 3 - Prob. 43PCh. 3 - Prob. 44PCh. 3 - Prob. 46PCh. 3 - Prob. 47PCh. 3 - Prob. 48P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A 900-W microwave generator in an oven generates energy quanta of frequency 2560 MHz. (a) How many energy quanta does it emit per second? (b) How many energy quanta must be absorbed by a pasta dish placed in the radiation cavity to increase its temperature by 45.0 K? Assume that the dish has a mass of 0.5 kg and that its specific heat is 0.9 kcal/kg • K. (c) Assume that all energy quanta emitted by the generator are absorbed by the pasta dish. How long must we wait until the dish in (b) is ready?arrow_forward(a) If the power output of a 650-kHz radio station is 50.0 kW, how many photons per second are produced? (b) If the radio waves are broadcast uniformly in all directions, find the number of photons per second per square meter at a distance of 100 km. Assume no reflection from the ground or absorption by the air.arrow_forwardWhat is the momentum of a 589-nm yellow photon?arrow_forward
- What is the energy of a photon whose momentum is 3.01024 kg• m/s ?arrow_forwardThe energy flux of sunlight reaching the surface of the earth is 1.388 x 10³ w/m?. How many photons (nearly) per square metre are incident on the Earth per second? Assume that the photons in the sunlight have an average wavelength of 550 nm.arrow_forwardWhat is the wavelength of the photon with energy E = 3.1 × 10-16 J. Use the unit of nm for the wavelengtharrow_forward
- A 2.0-kg object falls from a height of 5.0 m to the ground. If all the gravitational potential energy of this mass could be converted to visible light of wavelength 5.0 × 10−7 m, how many photons would be produced?arrow_forwardWater absorbs infrared radiation with wavelengths near 4.55 mm. Suppose this radiation is absorbed by the water and converted to heat. A 2.25-L sample of water absorbs infrared radiation, and its temperature increases from 17.0°C to 35.0°C. How many photons of this radiation are used to heat the water?arrow_forwardThe energy flux of sunlight reaching the surface of the earth is 1.388 × 103 W/m2. How many photons (nearly) per square metre are incident on the Earth per second? Assume that the photons in the sunlight have an average wavelength of 550 nm.arrow_forward
- A helium–neon laser emits laser light at a wavelength of 632.8 nm and a power of 2.3 mW. At what rate are photons emitted by this device?arrow_forwardA 117.0W lightbulb emits about 7.45W of visible light. (The other 109.55W are emitted as infrared radiation or lost as heat to the surroundings.) The average wavelength of the visible light is about 570.0nm, so make the simplifying assumption that all the visible light has this wavelength. What is the frequency of the emitted visible light? How many visible-light photons does the bulb emit per second?arrow_forward
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