Explain the watt is the derived si unit of power

Reference no: EM13651932

The watt is the derived SI unit of power the measure of energy per unit time: 1W =1 J-s. A semiconductor laser in a CD player has an output wavelength of 780nm and a power level of 0.10mW. How many photons strike the CD surface during the player of a CD 69 minutes in length?

Reference no: EM13651932

Questions Cloud

Ethics for corporate crisis management : Ethics for Corporate Crisis Management

Determine adiabatic flame temperature when burned : Some type of wood can be characterized as C1H1.5O1.7 with a lower heating value of 19500 KJ/kg. Find its adiabatic flame temperature when burned with stoichiometric air at 100kPa, 298 K.

Write a rhetorical response that analyzes rhetorical choices : Remind readers of the context and give an overview of the argument and explain in detail the choices you made in turning this into a visual essay for your classmates

Describe the major function of marketing channels. : Describe the major function of marketing channels. Why are these functions better accomplished through combined efforts of channel members.

Explain the watt is the derived si unit of power : The watt is the derived SI unit of power the measure of energy per unit time: 1W =1 J-s. A semiconductor laser in a CD player has an output wavelength of 780nm and a power level of 0.10mW.

Mall represents a point in time in the evolution of retail : Consider this statement made by a retailing insider: “The mall represents a point in time in the evolution of retailing…We are reaching the end of one era and entering something new”. What is the “something” new that is being suggested? Where will pe..

The deionized water is added to the conical flask to prepare : A 20mL volume of previously boiled, deionized water is added to the conical flask to prepare the sample for titration. Explain why this volume is not critical to the analysis.

What is tangential speed of each blade tip : a helicopter has 3.0 m long rotor blades rotating at an angular speed of 63 rad/s. What is tangential speed of each blade tip

A hydrogen sulfide is a major component of wastewater odors : Odors in wastewater are caused chiefly by the products of the anaerobic reduction of organic nitrogen and sulfur-containing compounds. Hydrogen sulfide (H2S) is a major component of wastewater odors.

User Account

All Pages