The light emitted from neon sign has continuous spectrum or not.

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What can be said about the relative temperatures of whitish-yellow, reddish, and bluish stars? Explain.

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Chapter 9, Problem 13SA

To determine

The light emitted from neon sign has continuous spectrum or not.

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What can be said about the relative temperatures of whitish-yellow, reddish, and bluish stars? Explain.

1) An electron, m= 9.109 x 10-3¹ kg, is moving in a two dimensional box. The frequency of the n =1 to n = 2 transition is 6 x 10¹2/sec. A) What is the length of the box? B) What wavelength of light is emitted if the electron transits from n = 4 to n=2? CC TL

The energy-level diagram for the atomic emission spectra of an unknown gas is presented in the diagram below. n = 4 4.2 ev v G Color Wavelength Frequency Photon energy violet 380-450 nm 668-789 THz 2.75-3.26 eV n= 3 2.4 ev blue 450-495 nm 606-668 THz 2.50-2.75 ev n = 2 2.0 ev green 495-570 nm 526-606 THz 2.17-2.50 ev yellow 570-590 nm 508-526 THz 2.10-2.17 ev orange 590-620 nm 484-508 THz 2.00-2.10 ev red 620-750 nm 400-484 THz 1.65-2.00 ev n=1 O ev Part A Initially, electrons are in both the ground and first excited state (n=1 and n=2). A beam of light hits the gas. This beam is a continuous spectrum of yellow/green light (from 495 nm to 590 nm) How many absorption line/s will there be in the spectra? 2 Submit Previous Answers v Correct Part B Calculate the wavelength of the absorption lines. Separate answers by a comma. 1, 518,565 nm Part C After absorption of the yellow/green light, how many emission lines are possible? ? Submit Request Answer