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Correction for refraction is approximately
- a)+1/5 the curvature correction
- b)-1/5 the curvature correction
- c)-1/7 the curvature correction
- d)+1/7 the curvature correction
Correct answer is option 'D'. Can you explain this answer?
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Correction for refraction is approximatelya)+1/5 the curvature correct...
Correction due to refraction is approximately about 1/7 th of correction due to earth curvature.
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Correction for refraction is approximatelya)+1/5 the curvature correct...
Refraction is an optical phenomenon that occurs when a light wave passes from one medium to another with different refractive indices. It causes a change in the direction of the light wave and a shift in the position of the object being viewed. Correction for refraction is necessary in surveying, as it affects the accuracy of measurements.
Curvature correction is the correction applied to measured distances on the surface of the Earth due to the Earth's curvature. It is calculated using the formula C = (k^2/2R), where C is the curvature correction, k is the measured distance, and R is the radius of the Earth.
The correction for refraction is approximately 1/7 of the curvature correction. This means that the correction for refraction is much smaller than the curvature correction, but still significant enough to affect the accuracy of measurements.
Why is the correction for refraction important?
- Refraction causes a shift in the position of the object being viewed, which can lead to errors in measurements.
- The correction for refraction ensures that the measured values are adjusted to their true values, taking into account the effect of refraction.
Why is the correction for refraction smaller than the curvature correction?
- The effect of refraction decreases with distance from the observer, whereas the effect of curvature increases.
- The curvature correction is based on the shape of the Earth, whereas the correction for refraction is based on the properties of light and the medium through which it passes.
In conclusion, the correction for refraction is approximately 1/7 of the curvature correction in surveying. It is important to take into account the effect of refraction to ensure accurate measurements.
Curvature correction is the correction applied to measured distances on the surface of the Earth due to the Earth's curvature. It is calculated using the formula C = (k^2/2R), where C is the curvature correction, k is the measured distance, and R is the radius of the Earth.
The correction for refraction is approximately 1/7 of the curvature correction. This means that the correction for refraction is much smaller than the curvature correction, but still significant enough to affect the accuracy of measurements.
Why is the correction for refraction important?
- Refraction causes a shift in the position of the object being viewed, which can lead to errors in measurements.
- The correction for refraction ensures that the measured values are adjusted to their true values, taking into account the effect of refraction.
Why is the correction for refraction smaller than the curvature correction?
- The effect of refraction decreases with distance from the observer, whereas the effect of curvature increases.
- The curvature correction is based on the shape of the Earth, whereas the correction for refraction is based on the properties of light and the medium through which it passes.
In conclusion, the correction for refraction is approximately 1/7 of the curvature correction in surveying. It is important to take into account the effect of refraction to ensure accurate measurements.
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Correction for refraction is approximatelya)+1/5 the curvature correct...
Correct answer is c so please check it and correct it
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Correction for refraction is approximatelya)+1/5 the curvature correctionb)-1/5 the curvature correctionc)-1/7 the curvature correctiond)+1/7 the curvature correctionCorrect answer is option 'D'. Can you explain this answer?
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Correction for refraction is approximatelya)+1/5 the curvature correctionb)-1/5 the curvature correctionc)-1/7 the curvature correctiond)+1/7 the curvature correctionCorrect answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Correction for refraction is approximatelya)+1/5 the curvature correctionb)-1/5 the curvature correctionc)-1/7 the curvature correctiond)+1/7 the curvature correctionCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Correction for refraction is approximatelya)+1/5 the curvature correctionb)-1/5 the curvature correctionc)-1/7 the curvature correctiond)+1/7 the curvature correctionCorrect answer is option 'D'. Can you explain this answer?.
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