0

Modern Indian Astronomers and Their Work on Gamma-Ray Bursts

Description: This quiz aims to assess your knowledge about the contributions of modern Indian astronomers to the study of gamma-ray bursts (GRBs). Gamma-ray bursts are among the most energetic and mysterious phenomena in the universe, and Indian astronomers have played a significant role in unraveling their properties and origins.
Number of Questions: 14
Created by:
Tags: indian astronomy modern indian astronomers gamma-ray bursts
Attempted 0/14 Correct 0 Score 0

Which Indian astronomer is known for his pioneering work on the classification of gamma-ray bursts?

  1. Ramnath Cowsik

  2. Govind Swarup

  3. Jayant Narlikar

  4. Subrahmanyan Chandrasekhar


Correct Option: A
Explanation:

Ramnath Cowsik, a renowned Indian astrophysicist, made significant contributions to the study of gamma-ray bursts. He proposed a classification scheme for GRBs based on their temporal and spectral properties, which is widely used in the field.

What is the name of the Indian satellite that was launched to study gamma-ray bursts and other high-energy phenomena?

  1. Chandrayaan-1

  2. Astrosat

  3. Mangalyaan

  4. INSAT-3D


Correct Option: B
Explanation:

Astrosat, also known as the Indian Space Observatory, is a multi-wavelength satellite launched by the Indian Space Research Organization (ISRO) in 2015. It carries instruments capable of detecting and studying gamma-ray bursts and other high-energy cosmic sources.

Which Indian astronomer led the team that discovered the first gamma-ray burst with a redshift greater than 6?

  1. Dipankar Bhattacharya

  2. Arvind Parmar

  3. Rashmi Saikia

  4. Vikram Bhabha


Correct Option: A
Explanation:

Dipankar Bhattacharya, an Indian astrophysicist, led the team that discovered the first gamma-ray burst with a redshift greater than 6. This discovery provided valuable insights into the early universe and the properties of gamma-ray bursts.

What is the name of the Indian telescope that was used to detect the optical counterpart of a gamma-ray burst for the first time?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Himalayan Chandra Telescope (HCT)

  3. Vainu Bappu Observatory (VBO)

  4. Aryabhatta Research Institute of Observational Sciences (ARIES)


Correct Option: B
Explanation:

The Himalayan Chandra Telescope (HCT), located in Uttarakhand, India, was used to detect the optical counterpart of a gamma-ray burst for the first time. This observation provided crucial information about the nature and distance of gamma-ray bursts.

Which Indian astronomer is known for his work on the theoretical modeling of gamma-ray burst afterglows?

  1. T. Padmanabhan

  2. Biman Nath

  3. Chanda Prescod-Weinstein

  4. Sandip Pakvasa


Correct Option: A
Explanation:

T. Padmanabhan, a renowned Indian physicist and cosmologist, has made significant contributions to the theoretical modeling of gamma-ray burst afterglows. His work has helped to explain the observed properties of these afterglows and provided insights into the underlying physics.

What is the name of the Indian astronomical facility that hosts the Cadmium Zinc Telluride Imager (CZTI), a gamma-ray burst detector?

  1. Tata Institute of Fundamental Research (TIFR)

  2. Indian Institute of Astrophysics (IIA)

  3. National Centre for Radio Astrophysics (NCRA)

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


Correct Option: A
Explanation:

The Tata Institute of Fundamental Research (TIFR) in Mumbai, India, hosts the Cadmium Zinc Telluride Imager (CZTI), a gamma-ray burst detector. CZTI is part of the AstroSat satellite and has contributed to the detection and study of gamma-ray bursts.

Which Indian astronomer is known for his work on the association between gamma-ray bursts and gravitational waves?

  1. B.S. Sathyaprakash

  2. P.C. Agrawal

  3. K.S. Dwarakanath

  4. R. Cowsik


Correct Option: A
Explanation:

B.S. Sathyaprakash, an Indian physicist and gravitational wave astronomer, has made significant contributions to the study of the association between gamma-ray bursts and gravitational waves. His work has helped to shed light on the connection between these two phenomena.

What is the name of the Indian astronomical mission that aims to study gamma-ray bursts and other high-energy cosmic sources?

  1. Chandrayaan-2

  2. Mangalyaan-2

  3. Aditya-L1

  4. NISAR


Correct Option: C
Explanation:

Aditya-L1 is an upcoming Indian astronomical mission aimed at studying gamma-ray bursts and other high-energy cosmic sources. It is expected to provide valuable insights into the properties and origins of these phenomena.

Which Indian astronomer is known for his work on the multi-messenger observations of gamma-ray bursts?

  1. Arvind Parmar

  2. Rashmi Saikia

  3. Dipankar Bhattacharya

  4. Vikram Bhabha


Correct Option: A
Explanation:

Arvind Parmar, an Indian astrophysicist, is known for his work on the multi-messenger observations of gamma-ray bursts. He has been involved in several international collaborations to study these phenomena using various telescopes and instruments.

What is the name of the Indian astronomical observatory that is involved in the study of gamma-ray bursts and other transient phenomena?

  1. Devasthal Optical Telescope (DOT)

  2. Vainu Bappu Observatory (VBO)

  3. Aryabhatta Research Institute of Observational Sciences (ARIES)

  4. National Centre for Radio Astrophysics (NCRA)


Correct Option: A
Explanation:

The Devasthal Optical Telescope (DOT), located in Uttarakhand, India, is involved in the study of gamma-ray bursts and other transient phenomena. It has been used to conduct follow-up observations of gamma-ray bursts and to study their afterglows.

Which Indian astronomer is known for his work on the development of theoretical models for gamma-ray burst jets?

  1. Sandip Pakvasa

  2. T. Padmanabhan

  3. Biman Nath

  4. Chanda Prescod-Weinstein


Correct Option: A
Explanation:

Sandip Pakvasa, an Indian physicist and cosmologist, is known for his work on the development of theoretical models for gamma-ray burst jets. His models have helped to explain the observed properties of these jets and provided insights into the physics of gamma-ray bursts.

What is the name of the Indian astronomical facility that hosts the Gamma-Ray Burst Monitor (GRBM), a gamma-ray burst detector?

  1. Indian Institute of Astrophysics (IIA)

  2. National Centre for Radio Astrophysics (NCRA)

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

  4. Tata Institute of Fundamental Research (TIFR)


Correct Option: A
Explanation:

The Indian Institute of Astrophysics (IIA) in Bengaluru, India, hosts the Gamma-Ray Burst Monitor (GRBM), a gamma-ray burst detector. GRBM is part of the AstroSat satellite and has contributed to the detection and study of gamma-ray bursts.

Which Indian astronomer is known for his work on the study of gamma-ray bursts using the Neil Gehrels Swift Observatory?

  1. Rashmi Saikia

  2. Dipankar Bhattacharya

  3. Arvind Parmar

  4. Vikram Bhabha


Correct Option: A
Explanation:

Rashmi Saikia, an Indian astrophysicist, is known for her work on the study of gamma-ray bursts using the Neil Gehrels Swift Observatory. She has been involved in several international collaborations to study these phenomena using Swift's instruments.

What is the name of the Indian astronomical mission that is planned to study gamma-ray bursts and other high-energy cosmic sources in the future?

  1. Chandrayaan-3

  2. Mangalyaan-3

  3. NISAR

  4. Aditya-L1


Correct Option: C
Explanation:

NISAR (NASA-ISRO Synthetic Aperture Radar) is a planned Indian astronomical mission that will study gamma-ray bursts and other high-energy cosmic sources. It is a joint mission between NASA and ISRO and is expected to provide valuable insights into these phenomena.

- Hide questions