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Dark Matter and the Large-Scale Structure of the Universe in Indian Astronomy

Description: This quiz is designed to assess your knowledge of the role of Indian astronomers in the study of dark matter and its impact on the large-scale structure of the universe.
Number of Questions: 15
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Tags: indian astronomy dark matter large-scale structure
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Which Indian astronomer is known for his pioneering work on dark matter and its effects on the dynamics of galaxies?

  1. Subrahmanyan Chandrasekhar

  2. Harish-Chandra

  3. Jayant Narlikar

  4. Govind Swarup


Correct Option: C
Explanation:

Jayant Narlikar is an Indian astrophysicist and cosmologist who has made significant contributions to the study of dark matter and its impact on the dynamics of galaxies.

What is the primary method used by Indian astronomers to study dark matter?

  1. Observing the gravitational lensing of distant galaxies

  2. Measuring the rotation curves of galaxies

  3. Analyzing the cosmic microwave background radiation

  4. Detecting dark matter particles directly


Correct Option: B
Explanation:

Indian astronomers primarily use the method of measuring the rotation curves of galaxies to study dark matter. This involves observing the velocities of stars and gas in galaxies and comparing them to the predictions of theoretical models.

Which Indian astronomical observatory is known for its contributions to the study of dark matter?

  1. Aryabhatta Research Institute of Observational Sciences (ARIES)

  2. Giant Metrewave Radio Telescope (GMRT)

  3. Vainu Bappu Observatory

  4. Udaipur Solar Observatory


Correct Option: B
Explanation:

The Giant Metrewave Radio Telescope (GMRT) is a radio telescope located in Pune, India. It has been used to make important observations of dark matter, including the detection of dark matter halos around galaxies.

What is the name of the Indian satellite mission designed to study dark matter?

  1. AstroSat

  2. Chandrayaan-1

  3. Mangalyaan

  4. NISAR


Correct Option: D
Explanation:

NISAR (NASA-ISRO Synthetic Aperture Radar) is a joint mission between NASA and ISRO to study Earth's ecosystems, dynamic processes, and natural hazards. It will also be used to study dark matter.

Which Indian astronomer is known for his work on the large-scale structure of the universe and its relation to dark matter?

  1. T. Padmanabhan

  2. Biman Nath

  3. Ramnath Cowsik

  4. Vikram Sarabhai


Correct Option: A
Explanation:

T. Padmanabhan is an Indian physicist and cosmologist who has made significant contributions to the study of the large-scale structure of the universe and its relation to dark matter.

What is the name of the Indian astronomical survey that is mapping the large-scale structure of the universe?

  1. Indian Cosmic Microwave Background Experiment (ICMBX)

  2. Dark Energy Survey (DES)

  3. Sloan Digital Sky Survey (SDSS)

  4. BOSS (Baryon Oscillation Spectroscopic Survey)


Correct Option: A
Explanation:

The Indian Cosmic Microwave Background Experiment (ICMBX) is an astronomical survey that aims to map the large-scale structure of the universe using measurements of the cosmic microwave background radiation.

Which Indian astronomical institute is known for its research on dark matter and the large-scale structure of the universe?

  1. Indian Institute of Astrophysics (IIA)

  2. Tata Institute of Fundamental Research (TIFR)

  3. Physical Research Laboratory (PRL)

  4. Inter-University Centre for Astronomy and Astrophysics (IUCAA)


Correct Option: D
Explanation:

The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is an Indian astronomical institute that is known for its research on dark matter and the large-scale structure of the universe.

What is the name of the Indian astronomical collaboration that is studying dark matter and the large-scale structure of the universe?

  1. Indian Dark Matter Collaboration (IDMC)

  2. Indian Large-Scale Structure Collaboration (ILSSC)

  3. Indian Cosmology Collaboration (ICC)

  4. Indian Astrophysics Collaboration (IAC)


Correct Option: A
Explanation:

The Indian Dark Matter Collaboration (IDMC) is an astronomical collaboration that is studying dark matter and the large-scale structure of the universe.

Which Indian astronomer is known for his work on the formation of dark matter halos around galaxies?

  1. P.N. Bhat

  2. S.N. Ghosal

  3. A.K. Kembhavi

  4. R.N. Iyengar


Correct Option: A
Explanation:

P.N. Bhat is an Indian astronomer who is known for his work on the formation of dark matter halos around galaxies.

What is the name of the Indian astronomical conference that focuses on dark matter and the large-scale structure of the universe?

  1. Indian Dark Matter Conference (IDMC)

  2. Indian Large-Scale Structure Conference (ILSSC)

  3. Indian Cosmology Conference (ICC)

  4. Indian Astrophysics Conference (IAC)


Correct Option: A
Explanation:

The Indian Dark Matter Conference (IDMC) is an astronomical conference that focuses on dark matter and the large-scale structure of the universe.

Which Indian astronomer is known for his work on the effects of dark matter on the dynamics of galaxy clusters?

  1. S.K. Pandey

  2. D.K. Ojha

  3. R.C. Kapoor

  4. A.R. Rao


Correct Option: A
Explanation:

S.K. Pandey is an Indian astronomer who is known for his work on the effects of dark matter on the dynamics of galaxy clusters.

What is the name of the Indian astronomical journal that publishes research on dark matter and the large-scale structure of the universe?

  1. Journal of Astrophysics and Space Science (JASS)

  2. Astrophysics and Space Science (Ap&SS)

  3. Monthly Notices of the Royal Astronomical Society (MNRAS)

  4. The Astrophysical Journal (ApJ)


Correct Option: A
Explanation:

The Journal of Astrophysics and Space Science (JASS) is an Indian astronomical journal that publishes research on dark matter and the large-scale structure of the universe.

Which Indian astronomer is known for his work on the evolution of dark matter halos over time?

  1. Biman Nath

  2. Ramnath Cowsik

  3. Vikram Sarabhai

  4. T. Padmanabhan


Correct Option: A
Explanation:

Biman Nath is an Indian astronomer who is known for his work on the evolution of dark matter halos over time.

What is the name of the Indian astronomical institute that is hosting a research center on dark matter and the large-scale structure of the universe?

  1. Indian Institute of Astrophysics (IIA)

  2. Tata Institute of Fundamental Research (TIFR)

  3. Physical Research Laboratory (PRL)

  4. Inter-University Centre for Astronomy and Astrophysics (IUCAA)


Correct Option: D
Explanation:

The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is an Indian astronomical institute that is hosting a research center on dark matter and the large-scale structure of the universe.

Which Indian astronomer is known for his work on the connection between dark matter and the cosmic microwave background radiation?

  1. T. Padmanabhan

  2. Biman Nath

  3. Ramnath Cowsik

  4. Vikram Sarabhai


Correct Option: A
Explanation:

T. Padmanabhan is an Indian astronomer who is known for his work on the connection between dark matter and the cosmic microwave background radiation.

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