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Showing posts with label Hydrogen spectrum. Show all posts
Showing posts with label Hydrogen spectrum. Show all posts
Friday, May 26, 2023

What should be the uncertainty in position if uncertainty in momentum is 1× 10^-2 g cm/sec. and value of h is 6.6252 × 10^-34 joule sec.?

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If uncertainty in postion of an electron is same as the ∆x of He atom. If the ∆p of electron is 32×10^5 then find the ∆p in He atom?

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what should be the uncertainty inthe the velocity of an electron if the uncertainty in its position is 0.005 nm, the mass of electron is 9.109× 10^-31 kg and the value of h is 6.6252 × 10^-34 jpule /second ?

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Why an electron Cannot be present in the nucleus according to the Heisenberg uncertainty principle?

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Thursday, May 25, 2023

In H atom if the electron moves from nth orbit to 1st orbit by transition in multi steps, then the total number of lines observed in the spectrum are 10, then find out the value of n.

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A certain electronic transition from an excited state to Ground state of the Hydrogen atom in one or more steps gives rise to 5 lines in the ultra violet region of the spectrum.How many lines does this transition produce in the Infra red region of the spectrum?

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In a hydrogen spectrum if electron moves from 6th to 2nd orbit by transition in multi steps then find out the number of lines in spectrum

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In a hydrogen spectrum if electron moves from 7 to 1 orbit by transition in multi steps then find out the total number of lines in the spectrum.

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Calculate the ratio of maximum wave length of Lyman & Balmer series ?

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The wave number of 1st line of Balmer series of hydrogen spectrum is 15200 cm–1 The wave number of 1st line of Balmer series of Li^+2 spectrum will be ?

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Calculate the frequency of the last line of the Lyman series in hydrogen spectrum.

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Calculate the wavelength of 3rd line of Brackett series in hydrogen spectrum.

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Calculate the wavelength of 1st line of Balmer series in Hydrogen spectrum.

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