পৃথিবীপৃষ্ঠে λ° অক্ষাংশের জন্য 'g' এ সমীকরণ হবে-

A gλ=GM/R22Rcos2λ

B gλ=GM/R22Rcosλ

C gλ=GM/R22Rcos2λ

D gλ=GM/R2-ωRcosλ

Solution

Correct Answer: Option A

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