Question

In levelling error due to refraction is what type of error

Answer 1

Answer -

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• Mistake in rod handling, errors in sighting, a mistake in reading the rod are personal errors. Error due to the defective joint is an instrumental error. Explanation: Atmospheric refraction is a natural error. Settlement of tripod or turning points, wind vibrations are also natural errors.

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Answer 2

Answer:

refer to the attachment