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- Multiple ChoicePlease save your changes before editing any questions.
Motion of the earth on its axis in about 24 hours is called
revolution
rotation
both (a) and (b)
none of these
- Multiple ChoicePlease save your changes before editing any questions.
Motion of the earth around the sun is known as
revolution
rotation
both (a) and (b)
none of these
- Multiple ChoicePlease save your changes before editing any questions.
What is orbital plane?
Plane formed by the axis
Plane formed by the orbit
Both (a) and (b)
None of these
- Multiple ChoicePlease save your changes before editing any questions.
Which one of the following is the source of light on the earth?
The moon
The sun
The satellite
The space
- Multiple ChoicePlease save your changes before editing any questions.
The circle that divides the globe into day and night is called
circle of darkness
circle of day and night
circle of illumination
none of these
- Multiple ChoicePlease save your changes before editing any questions.
The period of one rotation of the earth is known as
the sun day
the moon day
the earth day
none of these
- Multiple ChoicePlease save your changes before editing any questions.
What would have happened if the earth did not rotate?
Cold conditions on earth’s half portion
Warm conditions on earth’s another half portion
No life possible in such extreme conditions
All of these
- Multiple ChoicePlease save your changes before editing any questions.
A year with 366 days is called
leap year
normal year
both (a) and (b)
none of these
- Multiple ChoicePlease save your changes before editing any questions.
Why do seasons change on the earth?
Due to change in the position of the earth around the sun
Due to no change in the earth’s position
Both (a) and (b)
none of the above
- Multiple ChoicePlease save your changes before editing any questions.
When do the longest day and the shortest night occur in the northern hemisphere?
June 21
September 23
December 22
March 21
- Multiple ChoicePlease save your changes before editing any questions.
In which season Christmas is celebrated in Australia?
Winter Season
Summer Season
Autumn Season
Spring Season
- Multiple ChoicePlease save your changes before editing any questions.
When do equinoxes occur on the earth?
March 21
September 23
Both (a) and (b)
None of these
- Multiple ChoicePlease save your changes before editing any questions.
Days and nights occur on earth due to
Rotation
Revolution
Both (a) and (b)
None of these
- Multiple ChoicePlease save your changes before editing any questions.
Change of seasons occurs on earth due to
rotation
revolution
both (a) and (b)
none of these
- Multiple ChoicePlease save your changes before editing any questions.
The change of seasons is caused due to ___
Movement of the sun
Spherical shape of the earth
Revolution
Rotation
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Which of the following is called the land of the midnight sun
Sydney in Australia
North cape in Norway
Tokyo in Japan
Mumbai in India
- Multiple ChoicePlease save your changes before editing any questions.
At what speed does earth rotate per hour at the Equator
2600 km per hour
3600 km per hour
1600 km per hour
4600 km per hour
- Multiple ChoicePlease save your changes before editing any questions.
At what angle is the axis of the earth tilted to the vertical plane ?
66 1/2 Degrees
32 1/2 Degrees
23 1/2 Degrees
13 1/2 Degrees
- Multiple ChoicePlease save your changes before editing any questions.
What is the distance of the Earth when it is nearest to the sun
152 million km
162 million km
174 million km
147 million km
- Multiple ChoicePlease save your changes before editing any questions.
What is the distance of the Earth when it is farthest from the sun
152 million km
162 million km
142 million km
172 million km
- Multiple ChoicePlease save your changes before editing any questions.
When do you have the Autumn Equinox
13 September
23 September
23 November
13 November
- Multiple ChoicePlease save your changes before editing any questions.
When do you have the Spring Equinox
12 March
23 March
21 March
22 March
- Multiple ChoicePlease save your changes before editing any questions.
The tropic of Capricorn receives the direct rays of the sun on
21 June
22 December
23 September
21 March
- Multiple ChoicePlease save your changes before editing any questions.
The period of diffused light before sunrise is called
Evening
Twilight
Dusk
Dawn
- Multiple ChoicePlease save your changes before editing any questions.
The fixed elliptical path along which the earth revolves is called
Axis
Tilt
Orbit
Radius
- Multiple ChoicePlease save your changes before editing any questions.
A leap year has
365 1/4th days
366 days 6 hours
365 days
366 days
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One rotation in the Earth takes:
23.5 hours
24 hours
66.5 hours
5 hours, 48 minutes, 46 seconds
- Multiple ChoicePlease save your changes before editing any questions.
What happens during a Leap year?
The Earth is closest day to the Sun
An additional day is added to February
The days are longest during a Leap Year
The days and nights are of equal length