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प्रश्न
Give reasons for the following
Vertical rays are hotter than slanting rays.
उत्तर १
Vertical rays are hotter, because these cross shorter distance from the sun to the earth. Consequently the tropical belt is hotter than temperate and polar areas.
उत्तर २
Vertical rays remain focussed over a shorter area than slanting rays. During slanting rays solar radiation is spread over a larger area.
संबंधित प्रश्न
Name the thermal zones of the earth.
Which temperature zone receives slanting rays?
Give reasons for the following
The length of day and night is not equal at all places on the earth.
Give reasons for the following
Days and nights are equal at all places on earth on March 21.
Which is the longest and which is the shortest day in the Northern Hemisphere and why?
On which dates does the sunshine vertically overhead at
(a) Equator,
(b) Tropic of Cancer.
(c) Tropic of Capricorn?
Name the shortest day in the Northern Hemisphere.
Name the longest day in the Southern Hemisphere.
At which latitude, is the Sun overhead on 21st June?
Give reasons for the following statement:
The regions, near North Pole and South Pole, have six months of continuous day-light and darkness.
