“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

Chandrayaan 3 – Update Your Knowledge

Questions & Answers –Chandrayaan 3

1. What is the launch date for Chandrayaan 3 mission?

A. 24 July 2023

B. 14 July 2023

C. 13 July 2023

D. 04 July 2023

Ans. B

Explanation: Chandrayaan-3 is the third lunar exploration mission by the Indian Space Research Organisation (ISRO) to be launched on 14 July 2023.

2. The Chandrayaan 3 mission’s rover is known as

A. Vikram

B. Bheem

C. Pragyaan

D. Dhruv

Ans. C

Explanation: According to the ISRO Chairman, the names Vikram, for the Lander, and Pragyan for the Rover, will be carried over honour the Chandrayaan 2 mission.

3. The mission life of the Lander and Rover equal to

A. 14 Earth Days

B. 24 Earth Days

C. 16 Earth Days

D. 12 Earth Days

Ans. A

Explanation: The mission life of the lander, according to ISRO authorities, is one lunar day, which is equivalent to 14 days on Earth.

4. Which launcher is used for Chandrayaan-3?





Ans. C

Explanation: The chosen launcher for Chandrayaan-3 is GSLV-Mk3, which will position the integrated module in an Elliptic Parking Orbit (EPO) measuring approximately 170 x 36500 km in size.

5. The mission objectives of Chandrayaan-3

A. To demonstrate Rover roving on the moon and

B. To demonstrate a Safe and Soft Landing on Lunar Surface

C. To conduct in-situ scientific experiments.

D. All of the above

Ans. D

Explanation: ISRO has set three main objectives for the Chandrayaan-3 mission, which include:

  1. Getting a lander safe and soft landing on the surface of the Moon.
  2. Observing and demonstrating the rover’s loitering capabilities on the Moon
  3. In-site scientific observation makes scientific experiments on the chemical and natural elements, soil, water, etc. available on the surface of the Moon to better understand and practice the composition of the Moon. Interplanetary refers to the development and demonstration of new technologies required for missions between two planets.

6. How much did the Chandrayaan 3 mission cost?

B. 960 Crores

C. 600 Crores

D. 540 Crores

Ans. C

Explanation: Chandrayaan 3 mission costs lesser than the Chandrayaan 2 mission which was more than 960 crores.

7. What is the total weight of Chandrayaan 3?

A. 4,100 kilograms

B. 3,900 kilograms

C. 2,190 kilograms

D. 5,200 kilograms

Ans. B

Explanation: The propulsion module, alone, weighs 2,148 kg, and the lander and the rover are both in the lander module, which weighs 1,752 kilograms.

8. What is that one thing in Chandrayaan 3 and not in Chandrayaan 2?

A. Laser Doppler Velocimeter (LDV)

B. Laser-based Interferometry

C. Ultrasonic Doppler methods

D. Molecular Tagging Velocimetry

Ans. A

Explanation: The lander for Chandrayaan-3 will have only four throttle-able engines, equipped with a Laser Doppler Velocimeter (LDV).

9. Which of the following is missing in Chandrayaan 3?

A. Rover

B. Lander

C. Orbiter

D. None of the above

Ans. C

Explanation: According to ISROChandrayaan-2, was fitted with the lander Vikram, an orbiter and rover Pragyan, whereas Chandrayaan-3 will carry only a rover and a lander. Also, the orbiter that was launched with Chandrayaan-2 will still be in use.

10. What will be the design of the Propulsion Module?

A. Box-like structure with a solar panel on the side with a cylinder on top

B. Rectangular structure with solar panels on all sides

C. Cube with a sphere on top

D. None of the above

Ans. A

Explanation: The Propulsion Module is a box-like structure with a huge solar panel on one side and a massive cylinder on top. The cylinder, known as the Intermodule Adapter Cone, will serve as the lander’s mounting framework.

11. Who is the director of the Chandrayaan 3 mission?

A. Veeramuthuvel

B. M Vanitha

C.  Ritu Karidhal

D. K. Sivan

Ans. C

Explanation: Ritu Kharidhal is a prominent scientist at the Indian Space Research Organisation (ISRO). She will be leading the launch of Chandrayaan-3 this year.

12. Where will Chandrayaan 3 land on the moon?

A. Near the South Pole

B. Near the North Pole

C. In the equatorial region

D. None of the above

Ans. A 

Explanation: The objective of this mission is to explore the South Pole of the moon. This is because the south pole of the moon is rich in water ice, which is a valuable resource for future lunar exploration. The south pole is also less explored than the north pole, so there is a lot of scientific potential in landing there.

13. What are the challenges that ISRO will face in the Chandrayaan 3 mission?

A. The lunar surface is very harsh, and the lander and rover will need to be able to withstand extreme conditions.

B. The landing site is near the south pole of the moon, which is a very remote and unexplored region.

C. The lander and rover will need to be able to communicate with Earth, but the moon’s atmosphere is very thin, which will make communication difficult.

D. All of the above.

Ans. D

Explanation: The Chandrayaan 3 mission will face a number of challenges, including the harsh lunar surface, the remote landing site, and the difficult communication conditions.

14. Which country is the fourth country to successfully land a spacecraft on the moon?

A. China

B. India

C. Russia


Ans. B

Explanation: The first three countries to successfully land a spacecraft on the moon were the United States, Russia, and China. India became the fourth country to do so on September 7, 2019, when the Chandrayaan 2 lander Vikram successfully touched down on the lunar surface.

15. What are the scientific instruments that will be carried by the lander and rover in Chandrayaan 3?

A. Surface science instruments

B. Atmospheric science instruments

C. Water science instruments

D. All of the above

Ans. D

Explanation: The Chandrayaan 3 mission will carry a variety of scientific instruments to study the moon. These instruments will be carried by the lander and rover, and they will study the composition and structure of the lunar surface, the composition and dynamics of the lunar atmosphere, and the search for water ice on the moon.

Chandrayaan 3 Quiz Questions And Answers In English

Q. Which Indian Space agency is responsible for the Chandrayaan 3 mission?

Ans: With the launch of Chandrayaan-3 on July 14, the Indian Space Research Organization (ISRO) will attempt to land a spacecraft on the Moon for the second time. The economy may benefit from the Chandrayaan 3 mission. In exchange for potentially larger profits, it will attract a lot more investment to the industry.

Q. Why is Chandrayaan 3 launched?

Ans: Chandrayaan-3’s mission is not just about reaching the Moon, it also aims to conduct scientific experiments to study the lunar environment, including its history, geology, and potential for resources.

Q. Where will Chandrayaan 3 land on the moon?

Ans: The three primary goals of around $77 million USD mission, according to Chandrayaan-3’s operators, the Indian Space Research Organisation (ISRO), are to carry out a secure soft landing close to the lunar south pole, to install a rover, and to show the rover’s functionality.

Q. What is the estimated cost of Chandrayaan 3?

Ans: The third mission in the Chandrayaan series, Chandrayaan-3 is India’s second attempt to set foot on the moon’s surface. The project, developed at an estimated cost of Rs 615 crores, aspires to make India a moon-fairing nation and join the exclusive club.

Q. When will Chandrayaan-3 reach Moon?

Ans: Chandrayaan-3’s journey is estimated to take approximately 42 days. The final descent to the moon’s surface is scheduled to take place on August 23 Chandrayaan-3 is following a circuitous route instead of a direct path to the moon in order to optimize its travel. Direct travel to the moon would require larger rockets and a significant amount of fuel.

Q. Which rocket carried Chandrayaan 3?

Ans: Indicating the dependability of the launch vehicle, the LVM3-M4 rocket carrying the Chandrayaan 3 spacecraft arose beautifully and carried out the activities as intended, according to authorities.

Q. Who is the leader of Chandrayaan-3?

Ans: Six payloads, including a lander, rover, and propulsion module, are aboard Chandrayaan 3. Ritu Karidhal Shrivastava, an Indian rocket lady, is in charge of the mission. The ISRO space scientist was born and brought up in Lucknow. She completed her MSC from Lucknow University in Physics.

Q. Which company built Chandrayaan 3?

Ans: For the Chandrayaan-3 mission, Mumbai-based Godrej Aerospace has delivered essential core components. The business created the rocket motors and thrusters that are essential to the Chandrayaan-3 project.

Q. What is SHAPE in Chandrayaan 3?

Ans: The propulsion module of Chandrayaan-3 features a new experiment called Spectro-polarimetry of Habitable Planet Earth (SHAPE). SHAPE aims to search for smaller planets with potential habitability by analyzing the reflected light and studies the spectral and polarimetric measurements of Earth taken from the lunar orbit in the near-infrared (NIR) wavelength region.

Q. Which fuel is used in the second stage of Chandrayaan-3?

Ans: The first stage of this rocket burns solid fuel, and the second stage burns liquid fuel. A cryogenic engine is at the last stage. This uses liquid oxygen and hydrogen. More than 27,000 kg of fuel may be stored in the rocket’s fuel tank, which is carrying Chandrayaan-3.

Q. Where can I download the Chandrayaan 3 questions and answers in English PDF?

Candidates can download the Chandrayaan 3 questions and answers in English PDF through the direct link provided here.

Q. Whether the questions about Chandrayaan 3 will be asked in the general awareness section of bank exams?

Yes. The chances are high that the questions about the chandrayaan 3 mission will be there in the general awareness section of the bank exams.

What is the name of ISRO’s Moon Mission Launch Vehicle?

Answer. ISRO’s Moon Mission launch vehicle is named as ‘Mark-III a.k.a LVM3’.

What is the launch site of India Moon Mission?

Answer. India Moon Mission’s launch site is situated at Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh.

What is the budget for this mission?

Answer. Chandrayaan 3 is set at a budget of Rs 615 Crores. It is being called one of the most cost-effective space missions.

What type of mission is ISRO’s Chandrayaan 3?

Answer.  ISRO’s Chandrayaan 3 is a Lunar exploration mission.

Who is leading this mission?

Answer. India Moon Mission is being led by Ritu Karidhal Shrivastava. She is a scientist at ISRO. She was Deputy Operations Director for India’s Mars orbiter mission and was named “Rocket Women” of India.

What are the objectives of ISRO’s moon mission?

Answer.  There are three main objectives of ISRO’s moon mission. They are:

(i) To demonstrate a Safe and Soft Landing on Lunar Surface

(ii) To demonstrate Rover roving on the moon and

(iii) To conduct in-situ scientific experiments.

What technologies have been used in this mission?

Answer. Chandrayaan 3 has used the following technologies in this mission:

(i) Altimeters: Laser & RF-based Altimeters

(ii) Velocimeters: Laser Doppler Velocimeter & Lander Horizontal Velocity Camera

(iii) Inertial Measurement: Laser Gyro based Inertial referencing and Accelerometer package

(iv) Propulsion System: 800N Throttleable Liquid Engines, 58N attitude thrusters & Throttleable Engine Control Electronics

(v) Navigation, Guidance & Control (NGC): Powered Descent Trajectory design and associate software elements

(vi) Hazard Detection and Avoidance: Lander Hazard Detection & Avoidance Camera and Processing Algorithm

(vii) Landing Leg Mechanism

Is Chandrayaan 3, an unmanned mission?

Answer. Yes, Chandrayaan 3 is an unmanned Mission. However, it consists of a lander and Rover named as Vikram and Pragyan, respectively.

When will the rocket land on the moon?

Answer.  The expected date of landing on the moon is 23rd August 2023. After landing, it will operate for 1 lunar day, which is equal to 14 Earth days.

When will Vikram Lander detach from the spacecraft?

Answer. On 17th August 2023, Vikram Lander successfully detached from the propulsion module. 

Why is Chandrayaan 3 important for India?

Answer. Successful completion of Chandrayaan 3 will make India, the fourth country on Earth, to make a soft landing on the moon. Further, India would be the first country to make a landing on the south pole of the moon, an area that remains largely unexplored yet.

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