Question # 1

Days and Nights are caused by

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Revolution of the earth around the sun

Rotation of the earth on its axis

Inclination of the earth's axis

None of these

The distance between the earth and the sun is smallest in the month of:

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March

July

August

June

The fixed path along which the earth revolves around the sun is called___

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The earth's orbit

The ecliptic plane

The celestial sphere

The ecliptic path

The time required for moon light to reach earth:

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3 seconds

0.5 seconds

2 seconds

1.3 seconds

What is the maximum length of a day on the poles?

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2 years

6 months

8 months

1 year

Heat received by earth from the sun is known as:

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Solar heat

Solar radiation

Insolation

Thermal radiation

The mean radius of the earth is approximately:

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2800 kms

3000 kms

7600 kms

6400 kms

The earth rotates around its axis from:

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North to South

East to West

North to East

West to East

The orbit along which the earth revolves is:

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Circular

Elliptical

Irregular

None of these

Which country is called :the land of rising sun"?

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Italy

Japan

Canada

United Kingdom

The size of earth was first measured by:

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Isaac Newton

Kepler

Eratosthenes

Galelio

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