Black Holes and the Search for Gravitational Waves in India

Description: Black Holes and the Search for Gravitational Waves in India
Number of Questions: 15
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Which Indian physicist is known for his work on black holes and gravitational waves?

  1. C. V. Raman

  2. Homi J. Bhabha

  3. S. Chandrasekhar

  4. Vikram Sarabhai


Correct Option: C
Explanation:

S. Chandrasekhar was an Indian-American astrophysicist who won the Nobel Prize in Physics in 1983 for his work on the theory of black holes.

What is the name of the Indian gravitational wave observatory?

  1. LIGO India

  2. VIRGO India

  3. Einstein Telescope India

  4. IndIGO


Correct Option: D
Explanation:

IndIGO stands for Indian Initiative in Gravitational-wave Observations and is a proposed gravitational wave observatory in India.

What is the primary goal of the IndIGO project?

  1. To detect gravitational waves from black hole mergers

  2. To study the properties of neutron stars

  3. To search for dark matter

  4. To test the theory of general relativity


Correct Option: A
Explanation:

The primary goal of the IndIGO project is to detect gravitational waves from black hole mergers, which are among the most violent events in the universe.

Which Indian institution is leading the IndIGO project?

  1. Indian Institute of Science

  2. Tata Institute of Fundamental Research

  3. Indian Institute of Technology Bombay

  4. Jawaharlal Nehru Centre for Advanced Scientific Research


Correct Option:
Explanation:

The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is leading the IndIGO project.

What is the expected timeline for the completion of the IndIGO project?

  1. 2025

  2. 2030

  3. 2035

  4. 2040


Correct Option: C
Explanation:

The IndIGO project is expected to be completed by 2035.

How many detectors will the IndIGO observatory have?

  1. 2

  2. 3

  3. 4

  4. 5


Correct Option: B
Explanation:

The IndIGO observatory will have three detectors.

What is the name of the first IndIGO detector?

  1. IndIGO-A

  2. IndIGO-B

  3. IndIGO-C

  4. IndIGO-D


Correct Option: A
Explanation:

The first IndIGO detector is named IndIGO-A.

Where will the IndIGO-A detector be located?

  1. Ooty, Tamil Nadu

  2. Kodaikanal, Tamil Nadu

  3. Udaipur, Rajasthan

  4. Dehradun, Uttarakhand


Correct Option: A
Explanation:

The IndIGO-A detector will be located in Ooty, Tamil Nadu.

What is the length of each arm of the IndIGO-A detector?

  1. 2 km

  2. 4 km

  3. 6 km

  4. 8 km


Correct Option: B
Explanation:

Each arm of the IndIGO-A detector is 4 km long.

What is the sensitivity of the IndIGO-A detector?

  1. 10^-23 m/√Hz

  2. 10^-24 m/√Hz

  3. 10^-25 m/√Hz

  4. 10^-26 m/√Hz


Correct Option: B
Explanation:

The sensitivity of the IndIGO-A detector is 10^-24 m/√Hz.

What is the expected range of the IndIGO-A detector?

  1. 100 Mpc

  2. 200 Mpc

  3. 300 Mpc

  4. 400 Mpc


Correct Option: C
Explanation:

The expected range of the IndIGO-A detector is 300 Mpc.

What is the expected number of black hole merger detections per year by the IndIGO-A detector?

  1. 10

  2. 20

  3. 30

  4. 40


Correct Option: B
Explanation:

The expected number of black hole merger detections per year by the IndIGO-A detector is 20.

How will the IndIGO project contribute to the global effort to study gravitational waves?

  1. By providing independent confirmation of gravitational wave detections made by other observatories

  2. By extending the range of gravitational wave observations

  3. By providing a new window into the universe

  4. All of the above


Correct Option: D
Explanation:

The IndIGO project will contribute to the global effort to study gravitational waves in all of the ways mentioned above.

What are some of the scientific questions that the IndIGO project hopes to answer?

  1. The nature of dark matter

  2. The origin of the universe

  3. The properties of neutron stars

  4. All of the above


Correct Option: D
Explanation:

The IndIGO project hopes to answer a wide range of scientific questions, including the nature of dark matter, the origin of the universe, and the properties of neutron stars.

How will the IndIGO project benefit India's scientific community?

  1. By providing opportunities for Indian scientists to participate in cutting-edge research

  2. By helping to train the next generation of Indian scientists

  3. By raising the profile of Indian science on the global stage

  4. All of the above


Correct Option: D
Explanation:

The IndIGO project will benefit India's scientific community in all of the ways mentioned above.

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