Q. Consider the following :
- Aryabhatt
- APPLE
- Rohini
Arrange above mentioned Indian satellites in the order of their launching year?
Answer:
1, 3, 2
Notes: Aryabhatt was launched on 19 April 1979, Bhaskar-I in 1979 and Rohini in 1980. On 18 June 1981, APPLE (Arian Passenger Payload Experiment) was launched through Arian rocket. Bhaskar, Challenger and INSAT I-B have made long distance communication, television and radio very effective.