Physics, 03.07.2019 01:30, hemaam8

Draw a labelled plot of the spectral characteristics of blackbody radiation for three different blackbody temperatures (three plots). comment on three key features of these plots. explain why the spectrum of sunlight shows some differences with a corresponding blackbody spectrum. b) (8 marks) describe the construction, principle of operation and applications of a light emitting diode (led). c) (6 marks) draw the i-v characteristics of a light emitting diode. mark on your graph the region where light emission is strongest. discuss the similarities and differences between light emitting diodes and laser diodes.

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 17:00, emmdolzx

Ajogger accelerates from rest to 4.86 m/s in 2.43 s. a car accelerates from 20.6 to 32.7 m/s also in 2.43 s. (a) find the magnitude of the acceleration of the jogger. (b) determine the magnitude of the acceleration of the car. (c) how much further does the car travel than the jogger during the 2.43 s?

Answers: 2

continue

Physics, 22.06.2019 15:10, Bgreene2377

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k

Answers: 1

continue

Physics, 22.06.2019 15:30, tiffuuu

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.

Answers: 1

continue

Physics, 22.06.2019 15:30, pandapractice6834

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work

Answers: 1

continue

Do you know the correct answer?

Draw a labelled plot of the spectral characteristics of blackbody radiation for three different blac...