28. A red laser pointer emits light with a wavelength of 650 nm. a. What is...
A green laser pointer emits light with a wavelength of 524 nm. What is the frequency of this light? What is the energy of one of these photons?
A green laser pointer emits light with a wavelength of 528 nm. the frequency of this light is ν =5.68×1014 s^−1 What is the energy of one of these photons?
A particular green laser pointer emits light with a wavelength of 532 nm , and it is advertised as having a power of 3 mW . Part A: What is the energy of a single photon in this laser beam? Part B: How many photons are emitted by this laser in 1 second?
A particular green laser pointer emits light with a wavelength of 532 nm , and it is advertised as having a power of 6 mW . 1. What is the energy of a single photon in this laser beam? 2.How many photons are emitted by this laser in 1 second?
A green laser pointer emits light with a wavelength of 525 nm. ν = 5.71×1014 s−1 1) What is the energy of one of these photons?
A red laser pointer has a wavelength of 633 nm. Calculate the following: (3 pts) a. Energy of a photon from this laser pointer in J b. Energy in kl/mol photons c Wavenumber in cm!
2. A red laser pointer has a wavelength of 633 nm. Calculate the following: (3 pts) a. Energy of a photon from this laser pointer in b. Energy in kJ/mol photons c. Wavenumber in cm1
A pulsed laser emits light at a wavelength of 553.6 nm. The pulse duration is 22 ps, and the energy per pulse is 0.120 J. (a) What is the length of the pulse? mm (b) How many photons are emitted in each pulse? photons
An LED emits red light at a wavelength of 670 nm. In one second, the LED uses 8.0 J of energy to emit photons. How many photons does the LED emit in one second? 2.7*10^19 photons 2.7x10^28 photons 3.0x10^19 photons 2.4x10^18 photons
1. a. blue ray laser has a wavelength of 410 nm. a. what is the frequency (HZ) b. a 1-second flash of blue ray laser has 5.0E-3 J of energy. how many photons make up the flash ? 2. according to the Bohr model. if He+ ion emits a photon when an electron moves from n=4 to n=2 . will you be able to see this photon with your eyes? calculate the wavelength of the photon . recall visible light...