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 (Ariane Passenger Payload Experiment) was built by ISRO and launched on 19 June 1981 by a European Ariane rocket from Kourou in French Guiana. It was India’s first experimental communication satellite and was placed in geostationary orbit, where it was used to try out television and radio relay. It is remembered for being carried to its tests on a bullock cart.