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India's Pioneering Role in Astrophysics: A Legacy of Discovery

Description: India's Pioneering Role in Astrophysics: A Legacy of Discovery
Number of Questions: 15
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Tags: indian astronomy indian contributions to astrophysics
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Who is considered the father of modern Indian astrophysics?

  1. Meghnad Saha

  2. Subrahmanyan Chandrasekhar

  3. Vikram Sarabhai

  4. Harish-Chandra


Correct Option: A
Explanation:

Meghnad Saha is widely regarded as the father of modern Indian astrophysics. He made significant contributions to the field, including the development of the Saha ionization equation.

Which Indian astrophysicist is known for his work on black holes and the theory of general relativity?

  1. Subrahmanyan Chandrasekhar

  2. Meghnad Saha

  3. Vikram Sarabhai

  4. Harish-Chandra


Correct Option: A
Explanation:

Subrahmanyan Chandrasekhar is renowned for his work on black holes and the theory of general relativity. He received the Nobel Prize in Physics in 1983 for his contributions to these fields.

What is the name of India's first satellite?

  1. Aryabhata

  2. Bhaskara

  3. Chandrayaan-1

  4. Mangalyaan


Correct Option: A
Explanation:

Aryabhata was India's first satellite, launched in 1975. It was named after the renowned Indian mathematician and astronomer Aryabhata.

Which Indian space agency is responsible for the country's space program?

  1. Indian Space Research Organisation (ISRO)

  2. National Aeronautics and Space Administration (NASA)

  3. European Space Agency (ESA)

  4. Japan Aerospace Exploration Agency (JAXA)


Correct Option: A
Explanation:

The Indian Space Research Organisation (ISRO) is the national space agency of India. It is responsible for the country's space program and has made significant contributions to the field of astrophysics.

What is the name of India's first lunar mission?

  1. Chandrayaan-1

  2. Chandrayaan-2

  3. Mangalyaan

  4. Gaganyaan


Correct Option: A
Explanation:

Chandrayaan-1 was India's first lunar mission, launched in 2008. It successfully orbited the Moon and collected valuable scientific data.

Which Indian astrophysicist is known for his work on cosmic rays and the discovery of the cosmic microwave background radiation?

  1. Meghnad Saha

  2. Subrahmanyan Chandrasekhar

  3. Vikram Sarabhai

  4. Harish-Chandra


Correct Option: C
Explanation:

Vikram Sarabhai is known for his work on cosmic rays and the discovery of the cosmic microwave background radiation. He played a significant role in the development of India's space program.

What is the name of India's first interplanetary mission?

  1. Chandrayaan-1

  2. Chandrayaan-2

  3. Mangalyaan

  4. Gaganyaan


Correct Option: C
Explanation:

Mangalyaan was India's first interplanetary mission, launched in 2013. It successfully reached Mars and became the first Asian spacecraft to orbit the Red Planet.

Which Indian astrophysicist is known for his work on the theory of black holes and the Penrose-Hawking singularity theorems?

  1. Meghnad Saha

  2. Subrahmanyan Chandrasekhar

  3. Vikram Sarabhai

  4. Roger Penrose


Correct Option: D
Explanation:

Roger Penrose is a British mathematician and physicist who has made significant contributions to the theory of black holes and the Penrose-Hawking singularity theorems. He is not an Indian astrophysicist.

What is the name of India's first human spaceflight mission?

  1. Chandrayaan-1

  2. Chandrayaan-2

  3. Mangalyaan

  4. Gaganyaan


Correct Option: D
Explanation:

Gaganyaan is India's first human spaceflight mission, scheduled for launch in 2023. It aims to send three astronauts into space and bring them back safely.

Which Indian astrophysicist is known for his work on the theory of quantum gravity and the AdS/CFT correspondence?

  1. Meghnad Saha

  2. Subrahmanyan Chandrasekhar

  3. Vikram Sarabhai

  4. Juan Maldacena


Correct Option: D
Explanation:

Juan Maldacena is an Argentinian physicist who has made significant contributions to the theory of quantum gravity and the AdS/CFT correspondence. He is not an Indian astrophysicist.

What is the name of India's first space telescope?

  1. ASTROSAT

  2. Chandrayaan-1

  3. Mangalyaan

  4. Gaganyaan


Correct Option: A
Explanation:

ASTROSAT is India's first space telescope, launched in 2015. It is designed to study a wide range of astronomical objects, including stars, galaxies, and black holes.

Which Indian astrophysicist is known for his work on the theory of cosmic inflation and the multiverse?

  1. Meghnad Saha

  2. Subrahmanyan Chandrasekhar

  3. Vikram Sarabhai

  4. Andrei Linde


Correct Option: D
Explanation:

Andrei Linde is a Russian-American physicist who has made significant contributions to the theory of cosmic inflation and the multiverse. He is not an Indian astrophysicist.

What is the name of India's first mission to Mars?

  1. Chandrayaan-1

  2. Chandrayaan-2

  3. Mangalyaan

  4. Gaganyaan


Correct Option: C
Explanation:

Mangalyaan was India's first mission to Mars, launched in 2013. It successfully reached Mars and became the first Asian spacecraft to orbit the Red Planet.

Which Indian astrophysicist is known for his work on the theory of dark energy and the cosmological constant problem?

  1. Meghnad Saha

  2. Subrahmanyan Chandrasekhar

  3. Vikram Sarabhai

  4. Saul Perlmutter


Correct Option: D
Explanation:

Saul Perlmutter is an American astrophysicist who has made significant contributions to the theory of dark energy and the cosmological constant problem. He is not an Indian astrophysicist.

What is the name of India's first mission to Venus?

  1. Chandrayaan-1

  2. Chandrayaan-2

  3. Mangalyaan

  4. Shukrayaan-1


Correct Option: D
Explanation:

Shukrayaan-1 is India's first mission to Venus, planned for launch in 2023. It aims to study the planet's atmosphere, surface, and interior.

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