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What is important when adjusting the entrance slit of the spectograph (in terms of sharpness and brightness)?

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter5: Light And Telescopes

Section: Chapter Questions

Problem 2LTL: The star images in the photo in Figure UN 5-4 are tiny disks, but the diameter of these disks is not...

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Concept explainers

Compton effect

The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.

Recoil Velocity

The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.

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What is important when adjusting the entrance slit of the spectograph (in terms of sharpness and brightness)?

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