subject
Physics, 14.09.2019 06:10 rosaura15

How many photons are emitted per second by a he−ne laser that emits 1.5 mw of power at a wavelength λ=632.8nm. what is the frequency of the electromagnetic waves emitted by a he−ne laser?

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 21.06.2019 23:10, itzlianne
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
image
Physics, 22.06.2019 03:30, itsRyanPlayzMC9660
Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.
Answers: 1
image
Physics, 22.06.2019 10:30, jdkrisdaimcc11
What are two different ways you could find the value of a? explain these methods.
Answers: 2
image
Physics, 22.06.2019 15:30, haha81
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.
Answers: 2
You know the right answer?
How many photons are emitted per second by a he−ne laser that emits 1.5 mw of power at a wavelength...

Questions in other subjects:

Konu
English, 30.03.2021 14:00
Konu
Mathematics, 30.03.2021 14:00
Konu
Mathematics, 30.03.2021 14:00