Astr 102 exam prep - Study guides, Class notes & Summaries
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ASTR 102 exam Prep Questions & 100% Solutions| A Guaranteed
- Exam (elaborations) • 19 pages • 2024
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Which of the following statements about light focusing is not true? 
A) In a healthy eye, light is focused on the retina. 
B) Film should be placed at the focal plane in a camera. 
C) If you try to look at an image that is not formed at the focal plane, it will be blurry. 
D) The focal plane of a reflecting telescope is always located within a few inches of the primary mirror. - 
D) The focal plane of a reflecting telescope is always located within a few inches of the primary 
mirror. 
Suppose t...
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ASTR 102 exam Prep Questions & 100% Solutions| A Guaranteed
- Exam (elaborations) • 21 pages • 2024
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What is meant by spectral resolution? 
A) It is a measure of how much energy an object emits in different parts of the electromagnetic 
spectrum. 
B) It is a measure of how close two spectral lines can be distinguished. 
C) It is a measure of how close two point sources can be distinguished. 
D) It is the same as angular resolution when applied to telescopes operating at different wavelengths. - 
B) It is a measure of how close two spectral lines can be distinguished.
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