allerySLV ਨੇ ਆਪਣਾ ਪਹਿਲਾ ਸਫਲ ਸੈਟੇਲਾਈਟ ਲਾਂਚ ਕਿਸ ਸਾਲ ਕੀਤਾ ਸੀ?
A1975
B1979
C1983
D1980
Answer & Solution
Correct answer: D. 1980
1979 ਵਿੱਚ ਪਹਿਲੀ SLV ਉਡਾਣ ਪੰਧ ਤੱਕ ਪਹੁੰਚਣ ਵਿੱਚ ਅਸਫਲ ਰਹੀ, ਜਦੋਂ ਕਿ 1980 ਲਾਂਚ ਨੇ ਰੋਹਿਣੀ ਸੀਰੀਜ਼-I ਉਪਗ੍ਰਹਿ ਨੂੰ ਪੰਧ ਵਿੱਚ ਰੱਖਿਆ।
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