Question

The length of a base line measured on ground at an elevation of 300 mts above mean sea level is 2250 metres. The required correction to reduce to sea level length (given r earth = 6370 m) will be

Answer 1

Answer:

0.1 m

Step-by-step explanation:

MSL correction =Lh/R

=(300 x 2250) / (6370 x 1000)

=0.1 m

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Answer 2

Required correction is 0.11.

Step-by-step explanation:

Since we have given that

Length of base line =300 m

Length of above mean sea level = 2250m

So, Sea reduction would be

$\dfrac{Lh}{r}\\\\=\dfrac{300\times 2250}{6370\times 1000}\\\\=0.11$

Hence, required correction is 0.11.

# learn more:

Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. Use an integer to represent the sea level of Mt. Everest and the Dead Sea. Make sure to label each.

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