What is the angle in seconds subtended by one division

Reference no: EM131147011

With the bubble centered, a 150-m-length sight gives a reading of 1.208 m. After moving the bubble four divisions off center, the reading is 1.243 m. For 2-mm vial divisions, what is:

(a) the vial radius of curvature in meters

(b) the angle in seconds subtended by one division?

Reference no: EM131147011

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