UPSC Prelims Practice Questions — Losing the way

Question 1

Which one of the following was the FIRST second-generation NavIC satellite and also the first to carry an indigenously developed Rubidium Atomic Frequency Standard?

Accepted Answer

NVS-01

Answer

IRNSS-1A

Answer

IRNSS-1I

Answer

NVS-02

Question 2

Following the atomic-clock failure on board IRNSS-1F in March 2026, how many NavIC satellites remained capable of providing Positioning, Navigation and Timing (PNT) services?

Accepted Answer

3

Answer

4

Answer

7

Answer

11

Question 3

In the context of NavIC, the term 'Restricted Service (RS)' refers to which one of the following?

Accepted Answer

An encrypted signal provided to authorised strategic and military users

Answer

A free dual-frequency civilian signal made available only over Indian territory

Answer

A paid commercial positioning service offered to enterprises by NewSpace India Limited

Answer

An emergency-only broadcast signal activated during natural disasters

Question 4

In which year was India's Indian Regional Navigation Satellite System (IRNSS / NavIC) programme formally approved by the Government of India?

Accepted Answer

2006

Answer

1999

Answer

2013

Answer

2016

UPSC Prelims Practice Questions — Losing the way

Q1. Which one of the following was the FIRST second-generation NavIC satellite and also the first to carry an indigenously developed Rubidium Atomic Frequency Standard?

Q2. Following the atomic-clock failure on board IRNSS-1F in March 2026, how many NavIC satellites remained capable of providing Positioning, Navigation and Timing (PNT) services?

Q3. In the context of NavIC, the term 'Restricted Service (RS)' refers to which one of the following?

Q4. In which year was India's Indian Regional Navigation Satellite System (IRNSS / NavIC) programme formally approved by the Government of India?