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Variations in the length of daytime and night time from season to season are due to
[2013]
- a)The earth’s rotation on its axis
- b)The earth’s revolution round the sun in an elliptical manner
- c)Latitudinal position of the place
- d)Revolution of the earth on a tilted axis
Correct answer is option 'D'. Can you explain this answer?
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Variations in the length of daytime and night time from season to seas...
Variations in the length of daytime and night is on from season to season are due to the revolution of the earth on a tilted axis.
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Variations in the length of daytime and night time from season to seas...
Understanding Daytime and Nighttime Variations
The variations in the length of daytime and nighttime across different seasons are primarily influenced by the Earth's axial tilt and its revolution around the Sun.
1. The Earth's Tilted Axis
- The Earth's axis is tilted at an angle of approximately 23.5 degrees relative to its orbital plane.
- This tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year.
2. Seasonal Changes
- During summer in one hemisphere, that region is tilted towards the Sun, resulting in longer daylight hours and shorter nights.
- Conversely, during winter, the same hemisphere is tilted away from the Sun, leading to shorter days and longer nights.
3. Equinox and Solstice
- The equinoxes (around March 21 and September 23) are times when day and night are approximately equal in length.
- The solstices (around June 21 and December 21) are when the variation is most pronounced, with the longest day and shortest night occurring in June, and the shortest day and longest night in December.
4. Latitude's Role
- While latitude affects the intensity and duration of sunlight received, the axial tilt is the primary reason for seasonal changes in day and night lengths.
- Regions near the poles experience extreme variations, such as the Midnight Sun in summer and polar night in winter.
In summary, the correct answer to why we see variations in daytime and nighttime lengths from season to season is due to the revolution of the Earth on a tilted axis. This unique tilt leads to seasonal changes in daylight and nighttime durations across different regions of the planet.
The variations in the length of daytime and nighttime across different seasons are primarily influenced by the Earth's axial tilt and its revolution around the Sun.
1. The Earth's Tilted Axis
- The Earth's axis is tilted at an angle of approximately 23.5 degrees relative to its orbital plane.
- This tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year.
2. Seasonal Changes
- During summer in one hemisphere, that region is tilted towards the Sun, resulting in longer daylight hours and shorter nights.
- Conversely, during winter, the same hemisphere is tilted away from the Sun, leading to shorter days and longer nights.
3. Equinox and Solstice
- The equinoxes (around March 21 and September 23) are times when day and night are approximately equal in length.
- The solstices (around June 21 and December 21) are when the variation is most pronounced, with the longest day and shortest night occurring in June, and the shortest day and longest night in December.
4. Latitude's Role
- While latitude affects the intensity and duration of sunlight received, the axial tilt is the primary reason for seasonal changes in day and night lengths.
- Regions near the poles experience extreme variations, such as the Midnight Sun in summer and polar night in winter.
In summary, the correct answer to why we see variations in daytime and nighttime lengths from season to season is due to the revolution of the Earth on a tilted axis. This unique tilt leads to seasonal changes in daylight and nighttime durations across different regions of the planet.
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Variations in the length of daytime and night time from season to season are due to[2013]a)The earth’s rotation on its axisb)The earth’s revolution round the sun in an elliptical mannerc)Latitudinal position of the placed)Revolution of the earth on a tilted axisCorrect answer is option 'D'. Can you explain this answer?
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