Advertisements
Advertisements
प्रश्न
According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?
पर्याय
n = 6 to n = 1
n = 5 to n = 4
n = 5 to n = 3
n = 6 to n = 5
Advertisements
उत्तर
n = 6 to n = 5
APPEARS IN
संबंधित प्रश्न
In J.J. Thomson e/m experiment, a beam of electron is replaced by that of muons (particle with same charge as that of electrons but mass 208 times that of electrons). No deflection condition is achieved only if
The electric potential between a proton and an electron is given by V = V0 In `("r"/"r"_0)`, where r0 is a constant. Assume that Bohr atom model is applicable to potential, then a variation of radius of nth orbit rn with the principal quantum number n is
Write down the postulates of Bohr atom model.
What is meant by excitation energy?
What is distance of closest approach?
Define impact parameter.
Explain the J. J. Thomson experiment to determine the specific charge of an electron.
Discuss the spectral series of hydrogen atom.
In the Bohr atom model, the frequency of transitions is given by the following expression
v = `"Rc" (1/"n"^2 - 1/"m"^2)`, where n < m
Consider the following transitions:
| Transitions | m → n |
| 1 | 3 → 2 |
| 2 | 2 → 1 |
| 3 | 3 → 1 |
Show that the frequency of these transitions obey sum rule (which is known as Ritz combination principle).
- A hydrogen atom is excited by radiation of wavelength 97.5 nm. Find the principal quantum number of the excited state.
- Show that the total number of lines in emission spectrum is `("n"("n - 1"))/2`.
Compute the total number of possible lines in emission spectrum as given in(a).
