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प्रश्न
Short Answer Question:
How can you prove that the earth is a sphere by looking at the horizon?
उत्तर
The view of the earth's surface as seen from a height is circular. We can prove that the earth is a sphere by looking at the horizon as with increase in altitude, the circular horizon also widens. Had the earth's surface been flat, the horizon would have been the same irrespective of the altitude.
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संबंधित प्रश्न
Short Answer Question:
Name the two sources of heat in the interior of the earth.
Study the picture and answer the questions that follow.
(a) What does the picture show you about the earth?
(b) State briefly the Bedford Level Experiment.
(c) The sun rises and sets at different times in different places. What does the statement show the shape of the earth?
(d) In what way is the earth’s atmosphere beneficial to mankind?
How many satellites are there in Solar System?
‘Although the Moon has no light of its own, yet it shines’. Why?
Distinguish between the following pair.
Superior and Inferior planets.
Name the following:
The planet farthest from the Sun.
Give reasons for the following:
No life is possible on Saturn.
Which is the satellite of the Earth?
What information do man-made satellites provide?
The continent _____________ is covered by ice.
