universe & solar system section 1 MCQ Questions & Answers Detailed Explanation
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
(a) Light year
(b) Kilometre
(c) Statute mile
(d) Nautical mile
The correct answers to the above question in:
Answer: (a)
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Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
If the time of a place located on 165° E meridian is 11:00 pm on Sunday, what would be the time at the place located on 165° W meridian?
a) 1:00 am on Sunday
b) 11:00 pm on Saturday
c) 12:00 noon on Sunday
d) 11:00 pm on Sunday
Answer »Answer: (b)
There is a difference of 360 degree longitude between 165 degree east and 165 degree west. The time interval is 24 hours because every 15 degree longitude, there is a time difference of 1 hour.
Question : 2
Stars twinkle but planets do not twinkle because
a) they are very far away from the earth resulting in decrease in intensity of light
b) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable
c) their distance from the earth does not change with time
d) they emit light of a constant intensity
Answer »Answer: (b)
Stars twinkle because they are point light sources. Passing through the atmosphere, the small beam of light constantly shifts by bouncing off particles in the air. The much closer planets appear instead as tiny disks in the sky.
Their apparent sizes are usually larger than the pockets of air that would distort their light, so the effects of scintillation are negligible. Being closer, planets appear as discs, with the shifting of light from one side canceling out the other.
Question : 3
The imaginary line on the Earth’s surface that closely follows the 180° Meridian is
a) International Date Line
b) Tropic of Cancer
c) Equator
d) Prime Meridian
Answer »Answer: (a)
The International Date Line is an imaginary line of longitude on the Earth’s surface located at about 180 degrees east (or west) of the Greenwich Meridian.
Question : 4
The Earth’s axis of rotation (polar axis) is always inclined at an angle of
a) 24.5º from the elliptic axis
b) 23.5º from the elliptic axis
c) 23.1º from the elliptic axis
d) 23.0º from the elliptic axis
Answer »Answer: (b)
Question : 5
Time taken by light emitted from Sun to reach Earth is
a) 8 minutes
b) 16 minutes
c) 1 minute
d) 2 minutes
Answer »Answer: (a)
Question : 6
Assertion (A):
To orbit around the Sun the planet Mars takes lesser time than the time taken by the Earth.
Reason (R):
The diameter of the planet Mars is less than that of Earth.
Code
a) (A) is true, but (R) is false
b) (A) is false, but (R) is true
c) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
d) Both (A) and (R) are true and (R) is the correct explanation of (A)
Answer »Answer: (b)
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
universe & solar system section 1
universe & solar system section 2
universe & solar system section 3
universe & solar system section 4
universe & solar system section 5
universe & solar system section 6
universe & solar system section 7
universe & solar system section 8
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universe & solar system section 10
universe & solar system section 11
universe & solar system section 12
universe & solar system section 13
Universe, solar system and Astronomy Shortcuts and Techniques with Examples
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