Physics
Physics, 23.04.2021 18:10, lefthandeddolan

Energy of Light Light and electricity deliver energy in very different ways. Electricity has a basic unit called an electron. The basic unit contained in light is called a photon whose energy (E) is E = hν = hc/λ, where h (6.62x10-34) is the Planck’s constant, c is the speed of light (3x108), and ν and λ are the frequency and wavelength of light as an electromagnetic wave, respectively. Based on this equation, light with higher frequencies or shorter wavelengths will have more energy. Blue light has higher frequencies (shorter wavelengths) and therefore photons with higher energy, whereas red photons have less energy stored in them. Radio waves have very large wavelengths and therefore the least amount of energy, while gamma rays have tiny wavelengths and massive amounts of energy.

When scientist look at light they can split it up into various frequencies called spectrum. Using a device called spectroscope scientist can look at what makes up light and even figure out what elements where used to make the light. The spectroscope gives the wavelengths in 1,000 angstrom (Å) units, so the number you see is __x10-10m. Calculate the frequency and energy of at the 5 different spectrums that are found on the spectrum of helium light.

ν = λ · f E=hf = hc/λ

4471.48 Å à m à f= à E=

4713.14 Å à m à f= à E=

5015.67 Å à m à f= à E=

5875.62 Å à m à f= à E=

6678.15 Å à m à f= à E=

ShapeShape

ShapeShapeShapeenter image description here

List six parts of the electromagnetic spectrum other than visible light, and how they can be used.

Text Box

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 03:00, janeou17xn
Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process
Answers: 1
image
Physics, 22.06.2019 03:50, cyberdac01
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
image
Physics, 22.06.2019 06:30, jumpman2344
The coulomb's law explains which of the following? select all the force between two charged objects is inversely proportional to the charge on each object. the force between two charged objects is directly proportional to the charge on each object. the force between two charged objects is directly proportional to the distance separating them. the force between two charged objects is inversely proportional to the square of the distance separat coulomb's law is similar to newton's 2nd law. if the force between two objects is f and the charge on both objects is doubled, the new force between the would now be 2f. if the force between two objects is 2f and the distance separating them is doubled, the new force between the objects would now o the be zf.
Answers: 3
image
Physics, 22.06.2019 07:40, bellapimienta8
Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents
Answers: 2
Do you know the correct answer?
Energy of Light Light and electricity deliver energy in very different ways. Electricity has a bas...

Questions in other subjects:

Konu
Mathematics, 06.05.2020 23:20
Konu
History, 06.05.2020 23:20
Konu
Mathematics, 06.05.2020 23:20