In the hydrogen atom electron jumps from 2nd orbit to 1st orbit. Calculate the wavelength of radiant energy. (Given : R =1.097 x 107 m-1)

Q: What is the average radius of the orbit of an electron in the n=2 energy level of an oxygen atom…

A: Given 2nd orbit n=2 Atomic number Z=8

Q: The root mean square speed of the hydrogen molecules at temperature t°C is given by 3x8.31 x (t+273)…

A: Given Rms speed at t0C vrms=3×8.31×(t+273)2×10-3 Temperature T=240 C Mass of hydrogen molecule…

Q: The operating temperature of an indirectly heated filament of a vacuum tube is around 1050K. At what…

A: Wein’s law equation is,

Q: A photoelectron is emitted from K shell (n = 1) of a carbon atom, and an election in L shell (n = 2)…

A: Using Moseley Law to calculate the wavelength of the photon in this process,

Q: What is the surface temperature of Betelgeuse, a red giant star in the constellation of Orion, which…

A: According to Wein’s displacement law, the temperature is given by

Q: The intensity of the emitted radiation by a star is at a maximum at a wavelength of 78.9 nm. a)…

A: The maximum radiation is emitted by the given star at a wavelength  λ= 78.9nm = 78.9x10-9m a) The…

Q: Answer the following. (a) What is the surface temperature of Betelgeuse, a red giant star in the…

A: Write the expression for Wien's displacement law. λmaxT=bλmaxT=2898 μm⋅K Here, λmax is the peak…

Q: Quantitatively compare a 3.1 eV photon and a 3.1 eV electron by completing the following data table…

A: The energy of the photon: Ephoton = 3.1 eV = 3.1×1.6×10-19 J = 4.96×10-19 J The energy of electron:…

Q: When a metal was exposed to photons at a frequency of 1.25 × 10¹5 s¯¹, electrons were emitted with a…

A: Given Data: The frequency of each photon is .The maximum kinetic energy of the emitted electron is…

Q: For a hydrogen-like atom (the atom contains only one electron, like singly ionized He, doubly…

A: For Lithium Z=3. Hence, Energy in the ground state is:- E1=-13.6n2Z2E1=-13.612×32E1=-122.4 eV…

Q: The work function of cesium is 1.6 x 10-19 J. Calculate the maximum speed of the electrons emitted…

A: work function of cesium (W) = 1.6×10-19 J wavelength of incident light = 0.589 μm

Q: Hydrogen H2 is a diatomic molecule composed of two hydrogen atoms. (Figure 1) is an energy diagram…

A: Given that: The velocity is v=19 km/s= 19×103  m/s The distance is x=0.05 nm The energy is…

Q: What should be the temperature (in Kelvin) of an ideal blackbody so that the photons of its light…

A:

Q: A hydrogen atom has a radius of 0.05 nm with a position accuracy of 1.0%. Calculate the uncertainty…

A:

Q: length of a nitrogen plecule in air at 300 K? Assume that the molecule is with the root-mean-square…

A: The de Broglie wavelength is the wavelength, λ, associated with a object and is related to its…

Q: Hydrogen atoms in the atmosphere of the sun can exist in different energy states. The difference…

A: The value of Boltzmann constant in electro volt is 8.617*10-5eV/K.

Q: A hydrogen atom has a radius of 0.05 nm with a position accuracy of 1.0%. Calculate the uncertainty…

A:

Q: calculate the wavelength of the photon emitted.

A: Given data: Number of the level n=7

Q: Calculate the wavelength, in nanometers, of the photon emitted when the electron in a hydrogen atom…

A: AnswerWe  have to calculate  the wavelength λof the photon emitted  when…

Q: Recall from Section 14.3 that the average kinetic energy of an atom in a monatomic ideal gas is…

A:

Q: Q5: Determine the frequency of the wave length which emitted from an atom has an electron transited…

A: Frequency is, f=cλ

Q: Calculate the energy needed for an electron to move from ni = 2 to nf = ? present in the Lyman…

A:

Q: Answer the following. (a) What is the surface temperature of Betelgeuse, a red giant star in the…

A: A red giant star radiates the wavelength,

Q: -8. As a basis for the calculation of the specific heat of a solid, Einstein assumed that the N…

A:

Q: John Isner holds the ATP's (Association of Tennis Professionals) official record for the fastest…

A:

Q: What is the longest - wavelength line in nanometers in the infrared series for hydrogen where m = 3?

A:

Q: What is the de Broglie wavelength of a nitrogen molecule in air at 300 K? Assume that the molecule…

A: Given: Temperature(T)=300K The atomic mass of nitrogen = 14.0076 u Find the de Broglie wavelength of…

Q: A photon having a wavelength of 182 nm strikes the surface of a metal sheet having a threshold…

A: Wave length is  = 182 nm  Threshold frequency(uo) is 9.27×1014 s-1 u= c/182 nm = 1.6483 × 1015 s-1

Q: The electrons of a particular atom rearrange over a period of about 1 nanosecond and the process is…

A: