The Ultimate ISRO Aditya L1 GK Quiz: Questions and Answers to Test Your Knowledge on India’s Solar Mission

Aditya L1 is the solar mission of ISRO. If everything goes right, it will be launched on 2nd September 2023. This ambitious mission is expected to resolve mysteries of solar storms, space weather, and other phenomena of the sun. General Knowledge Questions and Answers on Aditya L1 are expected to be asked in many upcoming government job examinations.

Students who are preparing for exams like UPSC, SSC, Banking, etc. should go through as many Aditya L1 GK quiz questions as possible. To help them, we are providing the latest important General Knowledge Quiz Aditya L1.

ISRO Aditya L1 Quiz Questions and Answers

Question – 1: On which orbit around the Sun, the Aditya L1 will be placed? 

Answer: Halo Orbit.

Question – 2: Which agency will launch Aditya L1?

Answer: ISRO

Question – 3: Which is the launch vehicle or rocket to be used in the Aditya L1?

Answer: PSLV-XL

Question – 4: When was Aditya L1 first conceptualised?

Answer: In January 2008

Question – 5: What is the launch mass of Aditya L1?

Answer: 1,475 kg (3,252 lb)

Question – 6: What is Aditya L1’s payload weight? 

Answer: 244 kg (538 lb)

Question – 7: At which point, the Aditya L1 will be placed in the halo orbit?

Answer: L1 (Lagrange Point).

Question – 8: What is the full form of PSLV XL?

Answer: Polar Satellite Launch Vehicle (PSLV) XL

Question – 9: How many payloads are there on board of Aditya L1?

Answer: 7

Question – 10: How far is the L1 point from the Earth?

Answer: 1.5 million kilometres.

Question – 11: What is the full form of L1 Point?

Answer: Lagrange Point 1

GK Quiz on Chandrayaan 3

Question – 12: Lagrange point is named after which Italian-French mathematician?

Answer: Josephy-Louis Lagrange.

Question – 13: What is the launch site of Aditya L1?

Answer:  Satish Dhawan Space Centre at Sriharikota, Andhra Pradesh.

Question – 14: What is the width of a Lagrange point?

Answer: 800,000 kilometre

Question – 15: How many lagrangian points are there between Earth and the Sun?

Answer: Five

Question – 16: Which payload on Aditya L1 will analyse solar wind/ particle analyzer electrons & heavier ions with directions?

Answer: Plasma Analyser Package for Aditya (PAPA)

Question – 17: Which In-situ payload will measure the magnetic field (Bx, By and Bz)?

Answer: Advanced Triaxial High-Resolution Digital Magnetometers.

Question – 18: What is the name of the instruments mounted on Aditya L1 to study Solar wind/ particles?

Answer: Aditya Solar Wind Particle Experiment (ASPEX)

Question – 19: Which instrument mounted on Aditya L1 to study parameters of solar corona?

Answer: Visible Emission Line Coronagraph

Question – 20: Lagrangian points were discovered in which year?

Answer: 1772

Question – 21: What is the full-from of HEL1OS?

Answer: High Energy L1 Orbiting X-ray Spectrometer

Question – 22: What is HEL1OS?

Answer: It is a Hard X-ray spectrometer mounted on Aditya L1

Question – 23: What is the full form of SoLEXS?

Answer: Solar Low Energy X-ray Spectrometer

Question – 24: What is the use of SoLEXS?

Answer: It is a Soft X-ray spectrometer on Aditya L1.

Question – 25: Which Indian Institute developed “Visible Emission Line Coronagraph” (VELC) for Aditya L1?

Answer: Indian Institute of Astrophysics.

Question – 26: Is Aditya L1 the first space-based astronomy mission by ISRO?

Answer: No, AstroSat was the first space-based astronomy mission by ISRO.

Question – 27: What is the expected cost of Aditya L1 excluding its launch cost?

Answer: Rs. 378.53 Crore (Approx)

Question – 28: Who is the principal scientist of the Aditya L1 mission?

Answer: Dr. Sankarasubramanian K.

Question – 29: Where is the Lagrange point L1 located?

Answer: Between Earth and the Sun.

Question – 30: What layer of the Sun’s atmosphere does Aditya L1 primarily focus on?

Answer: Corona

Question – 31: What type of data would Aditya L1 likely provide to scientists?

Answer: Details about the sun’s magnetic field variations.

Question – 32: What is the weight of Visible Emission Line Coronagraph (VELC) placed on Aditya L1?

Answer: 170 kg (370 lb)

Question – 33: What is the weight of Aditya L1’s Solar Ultraviolet Imaging Telescope (SUIT) in kg?

Answer: 35 kg (77 lb)

Question – 34: Which institute developed the Aditya Solar wind Particle Experiment (ASPEX)?

Answer: Physical Research Laboratory, Ahmedabad.

Question – 35: Which Institute developed the Solar Low Energy X-ray Spectrometer (SoLEXS) for Aditya L1?

Answer: ISRO Satellite Centre (ISAC)

Question – 36: What are the names of institutes that developed High Energy L1 Orbiting X-ray Spectrometer (HEL1OS) for Aditya L1? 

Answer: ISRO Satellite Centre (ISAC) and Udaipur Solar Observatory (USO),

Question – 37: Which Instrument developed by the Inter-University Centre of Astronomy and Astrophysics (IUCAA) is used in Aditya L1?

Answer: Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune

Question – 38: Who is the project manager of Aditya L1’s control system group?

Answer: Gaytri Malhotra.

Question – 39: What is chromosphere?

Answer: The Chromosphere is the 2nd layer of the Sun.

Question – 40: What is the expected orbital period of Aditya L1?

Answer: 177.86 days.