Which one of the following was India's first indigenous, experimental communication satellite launched in 1981?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → APPLE
APPLE — the Ariane Passenger Payload Experiment — was launched on 19 June 1981 by the European Ariane rocket from Kourou. It was India’s first indigenous, experimental communication satellite and was used to relay television and radio programmes, paving the way for the INSAT series.
Aryabhata (1975) was India’s first satellite, meant for scientific experiments, Bhaskara (1979) was an earth-observation satellite, and Rohini (1980) was the first satellite placed in orbit by an Indian launch vehicle, the SLV-3.