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Cosmology MCQ Questions & Answers

Cosmology MCQs : This section focuses on the "Basics" of Cosmology. These Multiple Choice Questions (MCQs) should be practiced to improve the Cosmology skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

_________ is the science and study of the origin, current state and the future of the Universe.

A. Networks
B. Cosmology
C. Universe
D. Planet

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Question 2

Hubble was the only person observing galaxies outside the Milky Way.

C. Can be true or false
D. Can not say

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Question 3

Hubble and Humason listed down _______ in their paper.

A. 20 Galaxies
B. 21 Galaxies
C. 22 Galaxies
D. 23 Galaxies

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Question 4

The ___________ gives us a realistic estimate of the age of the universe.

A. Hubble constant
B. Humason constant
C. Cepheid constant
D. None of the above

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Question 5

Our universe is ∼_____ years old.

A. 14 million
B. 4 million
C. 4 billion
D. 14 billion

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Question 6

Current value of Ho is ____ kms/sec/Mpc.

A. 47
B. 59
C. 69
D. 85

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Question 7

In _______, Edwin Hubble detected Cepheid’s in the Andromeda Nebula and estimated their distance.

A. 1900
B. 1907
C. 1917
D. 1924

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Question 8

How many broad classes of these pulsating variable stars?

A. 2
B. 3
C. 4
D. 5

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Question 9

Everything is moving away from us.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 10

The units of the Hubble parameter are?

A. km sec Mpc−1
B. km sec -1 Mpc−1
C. km sec−1Mpc
D. km sec Mpc

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