14334_HW1E1001 - LOVELY PROFESSIONAL UNIVERSITY MODEL HOME...

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LOVELY PROFESSIONAL UNIVERSITY MODEL HOME WORK: 1 School: Department: Chemistry Name of the faculty member: Course No: CHE101 Course Title: Chemistry Class: E-4001 Term: Section: E-4001 Batch: Max. Marks: 7 Date of Allotment: Date of Submission: Part A Q 1. a) From the following sets of Quantum numbers (n, l, m, s) find corresponding sub-shells and arrange these sub-shells in decreasing order of energy. (i) (3, 2, 0, +1/2) (ii) (4, 1, -1, -1/2) (iii) (4, 1, 0, +1/2) (iv) (3, 0, 0, -1/2) (v) (2, 2, -2, -1/2) (vi) (2, 0, 0, +1/2) b) What will be the frequency of light in Hz which is having wavelength of 570 picometer? Q2. a) Which light will be more suitable for photoelectric effect, dim green light or bright red light? Explain your reason. b) How much energy will be released in Bohr’s atomic model for Balmer series if initially the electron was present in n=8 state? Q.3 a) Calculate wavelength (nm) of a photon emitted by a hydrogen atom when its electron drops from the n = ∞ state to n = 2 state. Is this photon visible or not?
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This note was uploaded on 02/01/2011 for the course CHE 101 taught by Professor Mukesh during the Spring '10 term at Lovely Professional University.

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14334_HW1E1001 - LOVELY PROFESSIONAL UNIVERSITY MODEL HOME...

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