Ionizing a hydrogen atom in its electric ground state requires 13.6 eV of energy. What is the temperature required (in K) so that the maximum wavelength of the emission of a blackbody ionizes atomic hydrogen?
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The ionization energy of a hydrogen atom in its ground state is 13.6 eV.
The task is to find out the temperature at which it emits maximum wavelength.
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- An electron in a Hydrogen atom is in energy level n=5 and drops down into the n=2 level. What is the wavelength of the photon that is emitted in units of nm.1. A particle loses 7.20 × 10-¹⁹ J of energy while emitting light. (a) What is the wavelength of the light that is emitted in nm? What portion of the electromagnetic spectrum does this light represent? (b) What is the frequency of the light emitted in sec¯¹? (c) If the wave function for an electron has a wavelength of λ = 500 nm, which would be equivalent to a visible photon if the electron were light instead of a particle, how fast is the electron moving, in m/sec, according to deBroglie's formula?6. Use Boltzmann distribution to solve this problem. A system consists of 3,000 particles that can only occupy two energy levels: a nondegen- erate ground state of 0.052 eV and a threefold degenerate excited state at 0.156 eV. If T = 900 K, (а) find the number of particles at each energy level. –0156 ev (b) what is the total energy of the system? 0,052 ev
- A hydrogen atom initially in its ground state (n=1) absorbs a photon and ends up in the state for which n = 3. What is the energy of the absorbed photon?For light with a wavelength of 350 nm and with an intensity of /= 10-8 W/m², what is the number of photons/(m²s) in the light beam?3.1. What is the de Broglie wavelength of an electron that has been accelerated through a potential difference of AV = 150 V?
- What is the longest - wavelength line in nanometers in the infrared series for hydrogen where m = 3?Hydrogen gas can be placed inside a strong magnetic field B=12T. The energy of 1s electron in hydrogen atom is 13.6 eV ( 1eV= 1.6*10 J ). a) What is a wavelength of radiation corresponding to a transition between 2p and 1s levels when magnetic field is zero? b) What is a magnetic moment of the atom with its electron initially in s state and in p state? c) What is the wavelength change for the transition from p- to s- if magnetic field is turned on?