Answered: On a certain day, light is shining… | bartleby

Related questions

Question

On a certain day, light is shining perpendicularly on the surface of the earth with an
intensity of 713 W/m². Assuming that all the photons in the light have the same
wavelength (in vacuum) of 733 nm, determine the number of photons per second per
square meter that reach the earth.
Enter your answer in scientific notation.
If your answer is 5.14 x 104, input 5.14e+4 as your answer.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A. Determine the energy of a photon with a 678.0 nm wavelength. B. Determine the wavelength of a 5.86 keV x-ray photon.
A laser pointer used in the classroom emits light at 4650 Ă, at a power of 4.00 mW. (One watt is the SI unit of power, the measure of energy per unit of time. 1 W = 1 J/s). How many photons are emitted from the pointer in 115 seconds? 4.27 х 10-19 1 3 4 6. C 7 8 9. +/- х 100
a. The kinetic energy of an electron is (? + 1.5)keV. Find the de Broglie wavelength and momentum of the electron.
According to the Bohr model of a hydrogen atom, the frequency of light radiated by an electron moving from an orbit ₁ to an orbit n₂ corresponds to the energy level difference between ₁ and ₂ of where E = Eo ( − 2) - mez²4 32x²² Eo and where me is the electron mass, Z is the atomic number, e is the magnitude of the electron charge, is the permittivity of free space, and ħ is Planck's constnt divided by 27. In the case of hydrogen (Z = 1) Eo = -13.6 eV. == Part A Find the frequency of light f radiated by an electron moving from orbit ₁2 to n₂ = 1 inside of a He+ ion. Express your answer in hertz to three significant figures. ► View Available Hint(s) f= 15| ΑΣΦ Submit Part B ? Hz
Please provide a clear explanation and calculation. Thank you.
A neutral hydrogen atom has a single proton and a single electron. When separated by a distance of 1.61619926 × 10 35 meters (this distance is called the Planck Length), what is the force in N between them? i
A ball has a mass of 0.216 kg just before it strikes the Earth after being dropped from a building 74.1 m tall. What is its de Broglie wavelength? The acceleration of gravity is 9.8 m/s 2 and Planck’s constant is 6.62607 × 10−34 J · s. Answer in units of m.
what is the speed of an electron that has the same momentum as a photon with a wavelength in vacuum of 488 nm? The mass of an electron is 9.11 × 10^–31 kg.
A quantum of electromagnetic radiation has an energy of 1.02 keV. What is its wavelength? The speed of light is 2.99792 x 10° m/s, and Planck's constant is 6.62607 × 10¬34 J. s. Answer in units of nm.
Part A: If X=2.44 micrometers, what is the surface temperature of object A? Enter the numerical values in SI units. Part B: Which statement(s) characterize(s) the photons radiated by the object A? (Check any/all correct answers) a) The maximum wavelength of the mitted photons is X. b) All the emitted photons have a wavelength of X. c) Most (but not all) of the emitted photons have a wavelength of X.
1. A cube of iron (atomic number 26), whose side measures 1 ft (30.48cm), is floating in a dark space. It is observed to emit blackbody radiation at the power of 200oW. (a) Would you dare to touch it for $20? Find the temperature of the cube before you answer. (b) Find the peak frequency of the spectrum, and compute the energy of photon at the frequency. Give the energy in units of electron-volt (eV). (c) What would be the temperature for the radiation if the cube were made of alu- minum (atomic number 13)?
5.40x106 atoms are excited to an upper energy level at t = 0 s. At the end of 30.0 ns , 90.0% of these atoms have undergone a quantum jump to the ground state. You may want to review (Pages 1198 - 1200). Part A How many photons have been emitted? ΥΠ ΑΣφ ? photons Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the lifetime of the excited state? ην ΑΣφ ? ns Submit Request Answer

SEE MORE QUESTIONS