alleryভাৰত-ফৰাচী যৌথ সৰল (SARAL) উপগ্ৰহটো মূলতঃ কি নিৰীক্ষণ কৰিবলৈ ব্যৱহাৰ কৰা হয়?
Aমহাসাগৰৰ পৃষ্ঠৰ স্তৰ
Bবনজুইৰ প্ৰসাৰ
Cবিমান চলাচলৰ প্ৰবাহ
Dহিমস্খলন
Answer & Solution
Correct answer: A. মহাসাগৰৰ পৃষ্ঠৰ স্তৰ
SARAL উপগ্ৰহত এলটিকা (AltiKa) অল্টিমিটাৰ সংলগ্ন আছে যিয়ে মহাসাগৰ পৃষ্ঠৰ ভূ-প্ৰকৃতি আৰু সাগৰপৃষ্ঠৰ উচ্চতা জোখে।
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