Because of the reflecting properties of a...

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Question 1 of 2066636ee928f7522a1c519fae

Because of the reflecting properties of a sextant, if the sextant altitude reads 60° on the limb, the actual arc of the limb from 0° to the 60° reading is __________.

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Question 1 of 20

66636ee928f7522a1c519fae

Because of the reflecting properties of a sextant, if the sextant altitude reads 60° on the limb, the actual arc of the limb from 0° to the 60° reading is __________.

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🔍 Key Concepts

• Reflecting principle of a sextant (the angle measured at the arc vs. the actual angle between objects) • How many times the actual angle is reflected in the sextant's optical path • Relationship between sextant reading and the true angle at the arc

💭 Think About

• Think about whether the sextant reads the actual angle directly, or a multiple of the actual angle because of the double reflection. • If the sextant scale shows 60°, what part of that is due to the geometry of the mirrors? • Ask yourself: does the sextant’s mechanism make the scale reading larger or smaller than the physical angle between the limb positions on the arc?

✅ Before You Answer

• Be clear on the double-reflection nature of a sextant: light reflects off two mirrors. • Confirm whether the sextant scale is graduated for the true angle or for twice the angle at the mirrors. • Visualize or sketch the geometry: one mirror moves, the other is fixed — what angle change between them produces a 60° reading?

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Question 1 of 2066636ee928f7522a1c519fae

Because of the reflecting properties of a sextant, if the sextant altitude reads 60° on the limb, the actual arc of the limb from 0° to the 60° reading is __________.

Back

Question 1 of 20

66636ee928f7522a1c519fae

Because of the reflecting properties of a sextant, if the sextant altitude reads 60° on the limb, the actual arc of the limb from 0° to the 60° reading is __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed