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An X-ray photon of wavelength 2.70 Angstrom has an energy in electron volts of
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- What is the energy of a photon whose momentum is 3.01024 kg• m/s ?An X-ray photon with a wavelength of 0.999 nmnm strikes a surface. The emitted electron has a kinetic energy of 990 eV. What is the binding energy of the electron in kJ/molkJ/mol? [Note that KEKE = 12mv212mv2 and 1 electron volt (eVeV) = 1.602×10−19J1.602×10−19J.] Express your answer using three significant figures.QUESTION 1 A photon emitted by a blackbody has an energy of 1.021 J. What is the frequency of such a photon?(h=6.63.10-34 J.s) QUESTION 2 What is the energy (in eV) of a gamma-ray photon with frequency f=5.67-102¹ Hz? (h=4.136-10-15eV/Hz) QUESTION 3 The ground level of the hydrogen atom has an energy E,= 13.6 eV while the first excited state has an energy Calculate the energy difference of an electron going from the first excited state back to the ground state. 1 QUESTION 4 What is the frequency of the photon emitted by the electron in Question 3? QUESTION 5 E 2= -3.4 eV. An electron has a wavelength of 0.267 nm (1 nm = 10-9 m). What is the speed of such electron orbiting the nucleus? ( m=9.11-10-31 kg)
- An x- ray photon has a wavelength of 6.00x10–10 m (e) What is its energy in benzene (n = 1.501) in joules?The energy of a photon is 52.6 eV. What is the wavelength in of the photon? Assume 3 sig figs. 1nm = 10-⁹ m nanometersPhotons of a certain infrared light have an energy of 1.70x10 J. (a) What is the frequency of this IR light? Hz (b) Use A = c/f to calculate its wavelength in nanomneters. nm
- energy of a photon of wavelength 3.65^ * 10^ -6 m .An infrared photon has a frequency of 8.3 E12 Hz. What is the energy of this photon, expressed in meV (milli electron-volt)? I tried the formula E=hf => E= (6.63E-34)(8.3E12) = 5.5029E-21 and then converted to meV as 3.43E22, but it's still wrong.What is the output power, in watts, of a light source that emits light with a wavelength of 596 nm, and produces 2.95*10^21 photons per second?
- Find the frequency of a photon of wavelength 436x10^-9 m , p= 1.5197x10^-27 kg.m/s ?!Solar radiation falls on Earth's surface at a rate of 1900 W/m². Assuming that the radiation has an average wavelength of 580 nm, how many photons per square meter per second fall on the surfaces? The speed of light is 3 × 10° m/s and Planck's constant is 6.62607 × 10-34 J. s. Answer in units of photon/m² · s. 2An atom (not a hydrogen atom) absorbs a photon whose associated frequency is 6.2 * 1014 Hz. By what amount does the energy of the atom increase?