A hydrogen like gas emits radiation of wavelengths `460 Å, 828 Å` and `1035Å`, only. Assume thar the atoms have only two excited states and the difference between consecutive energy levels decreases as energy is increased. Taking the energy of the highest energy state to be zero. Find the energies of the ground state and the first excited state.
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`H^(+)` ions are in excited state from where maximum 6 types of photons can be emitted. If E is the separation energy of electron in this excited stat
Correct Answer - 4 `6=(n(n-1))/(2)" "n=4` Separation energy, `E=+13.6 xx(z^(2))/(n^(2))=+13.6xx((2)^(2))/((4)^(2))=3.4 eV` l.E. of Hydrogen atom `=x xxE=13.6 eV` `x=(13.6)/(E)=4`
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Rita Sharma who works as a guard in a school, purchased two shirts for Rs. 460 each for her son. When she went back home, she realised that the shirt
a. Right to be heard b. Right to seek redressal c. Right to consumer education
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Hydrogen like atoms (atomic number `= Z`) in a sample are in excited state with principal quantum number n. The emission spectrum of the sample has `1
Correct Answer - `Z = 3`
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A hydrogen like atom (atomic number = Z) is in higher excited state of quantum number n. This excited atom can make a transition to first excited stat
Correct Answer - `n = 7 ; Z = 3`
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Consider a gas of hydrogen atom filling a cubical box of side length 1 m. Assume that all hydrogen atoms are in their ninth excited state and they fil
Correct Answer - `8 xx 10^(23)`
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A glass tube has `Be^(+++)` ions excited to their second excited state. The radiation coming out of this tube is incident on a metal plate having work
Correct Answer - `0.9 Å`
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Hydrogen atoms in very high quantum state have been observed in radio astronomy. The wavelength of radiation emitted when hydrogen atom makes transiti
Correct Answer - `5.8 cm`
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Iron emits `K_alpha` X-ray of energy 6.4 keV and Calcium emits `K_alpha` X-ray of energy 3.69 keV. Calculate the times taken by an iron `K_a` photon a
Correct Answer - [10 us by both]
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……………… is the only river in the desert of Thar in Rajasthan.
Correct option is D) River Luni
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Visible light has wavelengths ranging from 400 nm (violet) to 750 nm (red). Express these wavelengths in terms of frequency (Hz).
Given : Wavelengths : λ1 = 400 nm (for violet light), λ2 = 750 nm (for red light) To find : Frequencies : ν1, ν2 Formula : ν = \(\frac{c}{\lambda}\) Calculation : i. Wavelength of violet light, λ1 = 400 nm =...
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