The minimum number of satellites required for worldwide communication between any two locations on earth's surface is-

  1. 4
  2. 6
  3. 3
  4. 2

Answer (Detailed Solution Below)

Option 3 : 3
Free
NDA 01/2025: English Subject Test
5.3 K Users
30 Questions 120 Marks 30 Mins

Detailed Solution

Download Solution PDF

The correct answer is option 3) i.e. 3

CONCEPT:

  • Global positioning and communication by means of satellites require simultaneous observation by a number of satellites.
  • The number of satellites depends on the purpose or the degree of accuracy required in data.
  • It is said that one geostationary satellite can cover 1/3rd of the Earth's surface. 

EXPLANATION:

  • For a worldwide communication between any two locations of the earth, a minimum of 3 satellites must be placed such that each pair of satellites subtend an angle of 120o at the centre of the earth.
Latest NDA Updates

Last updated on May 30, 2025

->UPSC has released UPSC NDA 2 Notification on 28th May 2025 announcing the NDA 2 vacancies.

-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.

->The NDA exam date 2025 has been announced for cycle 2. The written examination will be held on 14th September 2025.

-> Earlier, the UPSC NDA 1 Exam Result has been released on the official website.

-> The selection process for the NDA exam includes a Written Exam and SSB Interview.

-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100. 

-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential. 

More Gravitation Questions

Get Free Access Now
Hot Links: teen patti all app teen patti list teen patti bodhi teen patti club apk