Observational Evidence for Dark Matter in Indian Astronomy Online Test

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Observational Evidence for Dark Matter in Indian Astronomy

Description: This quiz is designed to assess your knowledge about the observational evidence for dark matter in Indian astronomy.
Number of Questions: 15
Created by: Aliensbrain Bot
Tags: indian astronomy dark matter observational evidence

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Which Indian astronomer first proposed the existence of dark matter?

Subrahmanyan Chandrasekhar
Vikram Sarabhai
Jayant Narlikar
Harish-Chandra

What is the name of the Indian satellite that was launched to study dark matter?

Chandrayaan-1
Mangalyaan
Astrosat
GSAT-15

Which Indian observatory is used to study dark matter?

Udaipur Solar Observatory
Vainu Bappu Observatory
Giant Metrewave Radio Telescope
Himalayan Chandra Telescope

What is the name of the Indian experiment that is searching for dark matter?

LUX-Zeplin
PandaX-4T
XENONnT
DarkSide-20k

What is the main observational evidence for dark matter in Indian astronomy?

The rotation curves of galaxies
The gravitational lensing of light
The cosmic microwave background
The abundance of light elements

What is the name of the Indian astronomer who first observed the rotation curves of galaxies?

Subrahmanyan Chandrasekhar
Vikram Sarabhai
Jayant Narlikar
Harish-Chandra

What is the shape of the rotation curves of galaxies?

Flat
Rising
Falling
Irregular

What does the flatness of the rotation curves of galaxies imply?

There is a large amount of dark matter in galaxies.
There is a small amount of dark matter in galaxies.
There is no dark matter in galaxies.
The laws of gravity are incorrect.

What is the gravitational lensing of light?

The bending of light by a massive object.
The absorption of light by a massive object.
The reflection of light by a massive object.
The scattering of light by a massive object.

What does the gravitational lensing of light imply?

There is a large amount of dark matter in the universe.
There is a small amount of dark matter in the universe.
There is no dark matter in the universe.
The laws of gravity are incorrect.

What is the cosmic microwave background?

The leftover radiation from the Big Bang.
The radiation from the Sun.
The radiation from the Earth.
The radiation from the stars.

What does the cosmic microwave background imply?

There is a large amount of dark matter in the universe.
There is a small amount of dark matter in the universe.
There is no dark matter in the universe.
The laws of gravity are incorrect.

What is the abundance of light elements?

The amount of hydrogen and helium in the universe.
The amount of carbon and nitrogen in the universe.
The amount of oxygen and silicon in the universe.
The amount of iron and magnesium in the universe.

What does the abundance of light elements imply?

There is a large amount of dark matter in the universe.
There is a small amount of dark matter in the universe.
There is no dark matter in the universe.
The laws of gravity are incorrect.

What is the future of dark matter research in Indian astronomy?

There will be more research on the observational evidence for dark matter.
There will be more research on the theoretical models of dark matter.
There will be more research on the experimental searches for dark matter.
All of the above.

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