Explain how many photons per second are being emitted

Assignment Help Chemistry
Reference no: EM13647144

A diode laser emits at a wavelength of 987 nm. All of its output energy is absorbed in a detector that measures a total energy of 0.54 J over a period of 36 sec. How many photons per second are being emitted by the laser?

Reference no: EM13647144

Questions Cloud

The terms strength and concentration for acids and bases : Differentiate between the terms strength and concentration as they apply to acids and bases. When is HCL strong? Weak? Concentrated? Dilute? Answer the same questions for ammonia.
What is the resultant velocity of the duck : For the winter, a duck flies 15.0m/s due south against agust of wind with a velocity of 2.5m/s. What is the resultant velocity of the duck
Case analysis questions : Case Analysis Questions
What issues would a new critic have to someone : What issues would a new Critic have to someone who said "The Mother" was great because the poet went through so much in her life?
Explain how many photons per second are being emitted : A diode laser emits at a wavelength of 987 nm. All of its output energy is absorbed in a detector that measures a total energy of 0.54 J over a period of 36 sec. How many photons per second are being emitted by the laser
Find the force constant required for the spring : An accelerometer in a control system consists of a 3.65-g object sliding on a horizontal rail. Find the force constant required for the spring
How to compute the volume of butane : Use data from Table 7.2 in the textbook to calculate the volume of butane,C4H10, measured at 16.3 Celsius and 749 mmHg, that must be burned to liberate 9.00×104 J.
Determine the orbital speed of the satellite : A satellite is in orbit about Earth. Its orbital radius is1.28×107 m. The mass of the satellite is 2849 kg and the mass of Earth is 5.979×1024 kg. Determine the orbital speed of the satellite in mi/s. 1 mi/s = 1609 m/s.
Childrens literature written before 1960 : Compare the images of Afro-Americans reflected in the literature of the two time periods. What did you find that is significantly different or the same? Explain your answer with cited references.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the molarity of a solution

What is the molarity of a solution formed by mixing 20.0 g sulfuric acid with enough water to make 500.0 mL of solution?

  Explain the law of definite proportion

The law of definite proportion would predict that a 70.0 g gram sample of chemical X should contain how many grams of nitrogen?

  What volume of the liquid should he use

An experiment requires 40.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?

  Briefly explain in terms of structure and basicity

Briefly explain in terms of structure, basicity, and solubility why Novocain® is usually administered by injection whereas benzocaine is typically used in salves.

  Explain ecell if the unknown solution in the half-cell

For the cell diagram T1 and Pt Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits. Enter scientific notation as 1.23E4. (a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94

  Explain the lewis structure of the covalent compound

A covalent compound is composed of a nitrogen atom, a hydrogen atom, and a carbon atom. How many electrons should the Lewis structure of the covalent compound contain

  By what factor how many times will the rate constant

the activation energy for the following reaction is 60. kjmol.sn2 2co3 rarr sn4 2co2by what factor how many times

  Explain partial pressures of an equilibrium mixture of h2o

At 1045K the partial pressures of an equilibrium mixture of H2O (g), H2 (g), and O2 (g) are .040, .0045, and .0030 respectively. Calculate the value of the equilibrium constant Kp at 1045K

  Explain the volcanic eruption that formed the crater

A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.

  How many g of o2 will remain unreacted

If 10 g of C react with 115 g of O2 according to the equation C + O2 → CO2, how many g of O2 will remain unreacted?

  Explain how many grams of iron are required to make

How many grams of iron are required to make 2.50 L of aqueous solution containing 8.00 % Iron (III) chloride by mass. The density of the solution is 1.067g/mL

  Explain how many grams of o2 can be prepared

Decomposition of KClO3 is sometimes used to prepare small amounts of O2 in the laboratory: 2KClO3(s) 2 KCl(s) + 3 O2(g). How many grams of O2 can be prepared from 4.50 g of KClO3?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd