Question

Blue LED: λ= 463.5 +/- 1.5 nm h = (((463.5 +/- 1.5 nm)/109 nm)*2.320V)/(3*108 m/s) H...

Blue LED:

λ= 463.5 +/- 1.5 nm

h = (((463.5 +/- 1.5 nm)/109 nm)*2.320V)/(3*108 m/s)

H =

I'm trying to solve for h in this equation but I don't know how to make the units J*S because I have V*s and not eV*S so I don't know what to do.

Can you help me do the unit conversion?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Valt s - 19 -19 e As 1.6 Xlo e V e V - 19. V eV1.602x ( CV /-60 2 x/-19 J = C V and also eV= (2 J C Coulomb Valt anod So m D

Add a comment
Know the answer?
Add Answer to:
Blue LED: λ= 463.5 +/- 1.5 nm h = (((463.5 +/- 1.5 nm)/109 nm)*2.320V)/(3*108 m/s) H...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Gases Color Energy (E, ev) Wavelength (λ, nm) 1/λ (1/nm) H2 Blue Green Orange Red 2.31...

    Gases Color Energy (E, ev) Wavelength (λ, nm) 1/λ (1/nm) H2 Blue Green Orange Red 2.31 2.30 2.10 2.00 538 540 580 620 1.86 x 10^-3 1.85 x 10^-3 1.72 x 10^-3 1.61 x 10^-3 Ne Green Yellow Yellow Orange Orange Red 2.25 2.14 2.10 2.01 2.05 1.90 550 580 590 605 610 650 1.82 x 10^-3 1.72 x 10^-3 1.69 x 10^-3 1.65 x 10^-3 1.64 x 10^-3 1.54 x 10^-3 Hg Purple Blue Green Yellow Red 2.85 2.52...

  • 7 (a)* The Planck constant h can be measured in an experiment using light-emitting diodes LEDs) Each LED used i...

    7 (a)* The Planck constant h can be measured in an experiment using light-emitting diodes LEDs) Each LED used in the experiment emits monochromatic light. Te wavelength λ of the emitted photons is detemined during the manufacturing process and is provided by the manufacturer When the p.d. across the LED reaches a specific minimum value suddenly switches on emitting photons of light of wavelength the LED andi are related by the energy equation eVi hh flying lead Fig. 7.1 LED...

  • Given 2Al2O3 (s) --> 4Al(s) + 3O2 (g) (standard enthalpy change= 3351.4 kJ) a) What is the heat of formation of aluminum oxide

    Given 2Al2O3 (s) --> 4Al(s) + 3O2 (g) (standard enthalpy change= 3351.4 kJ) a) What is the heat of formation of aluminum oxide? How do I find heat of formation from standard enthalpy change? I know how to do it when I'm given enthalpy, but they aren't the same thing- correct? Also, if this question gave me delta-H, I know that the heat of formation for 4Al = 0 and 3O2 = 0 because they are elementary species. This would...

  • (6%) Problem 13: Light travels at a velocity of c = 3.0 x 108 m/s in...

    (6%) Problem 13: Light travels at a velocity of c = 3.0 x 108 m/s in a vacuum. Green light has a wavelength of 1 = 520 nm. Randomized Variables i = 520 nm A 33% Part (a) Input an expression for the frequency, v, of green light. v= Grade Summary Deductions 0% Potential 100% 2 C h 789 HOME 4 5 6 - 1 2 3 + - 0 . END NO BACKSPACE CLEAR Submissions Attempts remaining: 9 10%...

  • Please help me out.. Need to pass this course as a removal for my other course.....

    Please help me out.. Need to pass this course as a removal for my other course.. Si material parameters: Band gap energy at 300 K: Eg = 1.124 eV Relative permittivity: x = 11.7 Effective mass of electron: m =1.08m for density of states, Effective mass of hole: m = 0.81m for density of states, m = 0.26m for conductivity m =0.39m for conductivity Up = 470 cm/V.s Mobility: Un = 1400 cm /V-s, Diffusion coefficient: Do = 36 cm²/s,...

  • Problem 3 +12 V MOSFET Parameters 0-0, are matched devices 200 2 = 2.0mA/V/2 λ=0 x0.2...

    Problem 3 +12 V MOSFET Parameters 0-0, are matched devices 200 2 = 2.0mA/V/2 λ=0 x0.2 (body effect) 0.8 V GI 12 V S1 75 Ω 2, 02 -12 V This problem is designed to illustrate the principle of impedance matching and the relationships between the DC bias current of a MOSFET and its ac circuit parameters. We would like to choose a DC value of drain current, Iog, so that Rm matches the generator's resistance Rs. In other words,...

  • Questions-Kevin Sparks of Blue Cross and Blue Shield of Kansas City had a difficult time convincing...

    Questions-Kevin Sparks of Blue Cross and Blue Shield of Kansas City had a difficult time convincing his people of the need for change. What would you have suggested he do before you read the case? What about afterwards? How did your recommendations change as a result? Blue Cross and Blue Shield, and Others: Understanding the Science behind Change Kevin Sparks has been trying to get his staff to change the way it monitors and supports the data center for the...

  • I need help solving this problem. Thanks in advance. If correct, I will leave a like...

    I need help solving this problem. Thanks in advance. If correct, I will leave a like and a comment! Practice Problem 18.3 Constants Now let's look at the potential energy of a charge that is in the vicinity of two other charges. Suppose two electrons are held in place 10.0 cm apart. Point a is midway between the two electrons, and point b is 12.0 cm directly above point a. (a) Calculate the electric potential at point a and at...

  • Matlab & Differential Equations Help Needed I need help with this Matlab project for differential equations. I've got 0 experience with Matlab other than a much easier project I did in another...

    Matlab & Differential Equations Help Needed I need help with this Matlab project for differential equations. I've got 0 experience with Matlab other than a much easier project I did in another class a few semesters ago. All we've been given is this piece of paper and some sample code. I don't even know how to begin to approach this. I don't know how to use Matlab at all and I barely can do this material. Here's the handout: Here's...

  • Overview Title Manager's Hot Seat: Listening Skills: Yeah, Whatever Pilar Grimault has scheduled a meeting with...

    Overview Title Manager's Hot Seat: Listening Skills: Yeah, Whatever Pilar Grimault has scheduled a meeting with her department’s young Creative Director, Miguel Valentino. He has recently completed a campaign for a longstanding client, Jezebel. Although the campaign was a huge success, the client has complained to Pilar about Miguel’s project management skills. Here's the video transcript -Hello. Hey, I just came down the street, and I was stopped by three different people. We're a hit. We're a huge hit. i...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT