Quiz related to Aditya-L1- India's Solar Mission

On September 2nd 2023, ISRO successfully initiated India's ambitious solar mission, Aditya-L1, following its recent achievement with the Chandrayaan 3 lunar expedition.

The countdown, spanning 23.40 hours, reached its conclusion, and at precisely 11.50 am, the impressive 44.4-meter-tall Polar Satellite Launch Vehicle (PSLV) gracefully ascended from the Sriharikota spaceport on the eastern coast, situated approximately 135 kilometers away from Chennai.

Here are the quiz questions around the historic achievement of ISRO. Along with Chandrayan, Aditya-L1 is going to grab the most important parts of the question papers of the upcoming exams.

The depth of knowledge about these two topics will help you to asses your preparation for the general studies questions paper in examinations like, UPSC, SSC, state PCS, ITBP, Indian Army, Air Force, Indian Nave, Banking, Railways, etc. Not only that this quiz will help you to crack exams for the jobs in ISRO as well.

Quiz on Aditya-L1 Stats now-

1. What was the recent achievement of the Indian Space Research Organisation (ISRO) prior to the launch of Aditya L1 solar mission?
a) Successful lunar expedition, Chandrayan 3
b) Mars rover landing
c) Launch of a communication satellite

Ans: a

2. What was the duration of the countdown before the launch of Aditya L1?
a) 12 hours
b) 23.40 hours
c) 48 hours

Ans: b

3. From which coast did the Polar Satellite Launch Vehicle (PSLV) majestically soar during the launch of Aditya L1?
a) Western coast
b) Eastern coast
c) Northern coast
Ans: b

4. During the launching of Aditya-L1 PSLV's "longest flight" was for:
a) about 23 minutes.
b) about 63 minutes.
c) about 83 minutes.

Ans: b

5. What makes Aditya-L1 unique among space observatories?
a) It is the first space-based observatory
b) It is the largest observatory ever launched
c) It is designed to study distant galaxies

Ans: a

6. How far is Aditya-L1 expected to travel from Earth before reaching its destination?
a) 100,000 km
b) 1.5 million km
c) 500,000 km

Ans: b

7. Where is Aditya-L1 expected to be placed in orbit around the Sun?
a) Close to Earth's orbit
b) In a geostationary orbit
c) In a Halo orbit around Lagrangian point L1

Ans: c

8. What is the primary purpose of Aditya L1's mission?
a) To study distant galaxies
b) To send pictures of the Sun for scientific experiments
c) To explore the outer planets of our solar system

Ans: b

9. How many Lagrangian points are there between the Earth and the Sun where objects tend to stay in space?
a) Three
b) Five
c) Seven

Ans: b

10. Who is the mathematician after whom the Lagrange Points are named?
a) Joseph Martin Lagrange
b) Albert Luis Lagrange
c) Joseph-Louis Lagrange

Ans: c

11. What condition must be met at a Lagrange point for a small object to remain in a stable position?
a) The gravitational pull of the Sun must be stronger than the Earth's.
b) The gravitational pull of the two large bodies must equal the necessary centripetal force.
c) The small object must have a high velocity.

Ans: b

12. Which two celestial bodies' gravitational forces are balanced at a Lagrange point?
a) The Moon and Earth
b) The Earth and Mars
c) The Sun and Earth

Ans: c

13. Why is it important for a small object to maintain a stable position at a Lagrange point?
a) To avoid being pulled into a black hole
b) To conserve fuel while conducting scientific experiments
c) To observe distant galaxies with a telescope

Ans: b

14. What is the initial destination for the Aditya L1 spacecraft after lift-off?
a) Low Earth Orbit
b) Geostationary Orbit
c) Lunar Orbit

Ans: a

15. How will the spacecraft's orbit change after being placed in Low Earth Orbit initially?
a) It will remain in the same orbit throughout the mission.
b) It will transition to a more elliptical orbit.
c) It will move to a higher Earth orbit.

Ans: c

16. Where was the launch of the Aditya L1 spacecraft conducted?
a) Kennedy Space Center
b) Satish Dhawan Space Centre
c) Baikonur Cosmodrome

Ans:b

17. How will the Aditya L1 spacecraft reach the Lagrange L1 point?
a) It will rely on gravitational forces to reach its destination.
b) It will be launched directly to the L1 point.
|c) It will use on-board propulsion to cruise towards the L1 point.

Ans: c

18. What is the final orbit around the Lagrange L1 point that the spacecraft will be injected into?
a) Geostationary Orbit
b) Polar Orbit
c) Large Halo Orbit

Ans: c

19. Why is it necessary for the spacecraft to exit the Earth's gravitational Sphere of Influence?
a) To reduce the risk of collisions with other satellites
b) To conserve fuel during the mission
c) To ensure it can reach the Lagrange L1 point near the Sun

Ans: c

20. How long is the estimated duration from the launch of the Aditya-L1 Mission to reaching the Lagrange L1 point?
a) Four weeks
b) Four months
c) Four days

Ans: b

21. What is the significance of reaching the Lagrange L1 point in the Aditya-L1 Mission?
a) It marks the end of the mission.
b) It is the point where the spacecraft conducts its primary scientific experiments.
c) It is the point where the spacecraft refuels for its return journey.

Ans: b

22. Which celestial body is the Lagrange L1 point associated with in the Aditya-L1 Mission?
a) The Moon
b) The Earth
c) The Sun

Ans: c

23. What types of emissions does the Sun produce, spanning various wavelengths, in addition to energetic particles and magnetic fields?
a) Only visible light
b) Radiation in nearly all wavelengths
c) Radio waves exclusively

Ans: b

24. Why is the study of the Sun's emissions across different wavelengths important for scientific research?
a) To observe distant galaxies
b) To understand the Earth's magnetic field
c) To gain insights into solar activity and its effects on space and Earth.

Ans: b

25. Which component of the Sun's emissions is essential for the operation of solar panels on spacecraft?
a) Magnetic fields
b) Energetic particles
c) Visible light radiation

Ans: b

26. What role do Earth's atmosphere and magnetic field play in protecting us from harmful radiation from the Sun?
a) They amplify the radiation's effects.
b) They act as a protective shield and block harmful radiation.
c) They have no impact on solar radiation.

Ans: c

27. Why are solar studies carried out from space rather than Earth's surface?
a) Space provides a better view of distant galaxies.
b) Earth's surface is too crowded with buildings and people.
c) Earth's atmosphere blocks certain radiation, making space observations essential.

Ans: c

28. What are some of the major objectives of the Aditya-L1 mission?
a) Studying ecosystems of sun.
b) Understanding the Coronal Heating and Solar Wind Acceleration.
c) Investigating Earth's geological processes.

Ans: b

29. How many scientific payloads does the Aditya-L1 mission carry for its studies?
a) Two
b) Five
c) Seven

Ans: c

30. The Visible Emission Line Coronagraph (VELC) in Aditya-L1 is to study:

a) Solar panels on Aditya
b) Solar energy coming to Earth.
c) Solar corona and dynamics of CME.

Ans: c

31. Approximately how many images will the primary payload of Aditya-L1 VELC send?
a) 1440 per day
b) 1880 per day
c) 2500 per day

Ans: a

32. Which is the largest and technically most challenging payload on Aditya-L1?
a) Plasma Analyser Package for Aditya (PAPA)
b) Visible Emission Line Coronagraph (VELC)
c) Solar Ultraviolet Imaging Telescope (SUIT)

Ans: b

33. Which Payload on Aditya-L1 would do imaging of the Solar photosphere and Chromosphere?
a) The Solar Ultraviolet Imaging Telescope
b) Solar Low Energy X-ray Spectrometer
c) Magnetometer payload

Ans: a

34. The Aditya Solar Wind Particle Experiment (ASPEX) and Plasma Analyser Package for Aditya (PAPA) payloads of Aditya-L1 will study:
a) Solar wind, energetic ions and energy distribution.
b) Solar wind and chemical ions on the sun.
c) Solar heat, photons and Photo-chromatic energy.

Ans: a

35. The Magnetometer payload of Aditys-L1 is capable of measuring:
a) Magnetic fields of Earth only
b) Magnetic fields of Sun
c) Interplanetary magnetic fields

Ans: c

36. The payloads of Aditya-L1 are developed by:
a) ISRO & NASA
b) ISRO & ROSCOSMOS
c) ISRO & other Indian agencies

Ans: c