Light from a location on which you concentrate your attention falls on your fovea, which contains only

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Light from a location on which you concentrate your attention falls on your fovea, which contains only cones. If you wish to observe a weak source of light, like a faint star, why should you not look directly at the source?

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Conceptual Physics

ISBN: 978-0321568090

11th edition

Authors: Paul G. Hewitt

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Question Posted: Mar 25, 2016 06:18 AM

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Light from a location on which you concentrate your attention falls on your fovea, which contains only

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Rods not cones will respond to weak light so you want to focus lowi...View the full answer

Conceptual Physics

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