Q. With reference to the NASA ISRO Synthetic Aperture Radar (NISAR) mission, consider the following statements:
1.NISAR is an Earth-observing satellite built jointly by NASA and ISRO.
2.It will be placed in a sun-synchronous low earth orbit.
3.It is the first satellite to use two radar frequencies – NASA’s L-band and ISRO’s S-band – to monitor Earth’s surface.
How many of the above statements are correct?
Answer: C
Notes:
Explanation:
- Statement 1 is correct: NISAR is jointly developed by NASA and ISRO.
- Statement 2 is correct: It will be placed in a sun-synchronous Low Earth Orbit.
- Statement 3 is correct: NISAR is the first satellite to use both L-band and S-band radars together to track changes on Earth’s surface.
Source- IE

