Which phenomenon makes us see the sun :
(a) a few minutes before actual sunrise ?
(b) a few minutes after actual sunset ?
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An electronic device makes a beep after every 60 seconds. Another device makes a beep after every 62 seconds.
Beep duration of first device = 60 seconds Beep duration of second device = 62 seconds ∴ Interval of beeping together = LCM (60, 62) Prime factorization: 60 = 22 × 3 × 5 62...
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Which phenomenon makes us see the sun : (a) a few minutes before actual sunrise ? (b) a few minutes after actual sunset ?
ATMOSPHERIC REFRACTION By actual sunrise, we mean the actual crossing of the horizon by the Sun. The time difference between actual sunset and the apparent sunset is about 2 minutes. The...
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Atmospheric refraction causes advance sunrise and delayed sunset. By how much time is :
(a) About 2 minutes (b) About 2 minutes
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We can see the sun about……….. minutes before the actual sunrise and about…………. minutes after the actual sunset because of atmospheric…………..
We can see the sun about……2….. minutes before the actual sunrise and about……2……. minutes after the actual sunset because of atmospheric Refraction.
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We can see the sun about……….. minutes before the actual sunrise and about…………. minutes after the actual sunset because of atmospheric…………..
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Explain why, the sun can be seen about two minutes before actual sunrise. Draw a diagram to illustrate your answer.
The sun can be seen about two minutes before actual sunrise because of atmospheric refraction of sun’s light as shown in the following diagram. When the sun is slightly below...
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Why does the sun appear red at sunset ?
The sun and the surrounding sky appear red at sunset because at that time most of the blue color present in sunlight has been scattered out and away from our...
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Explain why, when the sun is overhead at noon, it appears white, but when the same sun is near the horizon at sunset, it appears red.
When the sun is overhead, then the light coming from the sun has to travel a relativity shorter distance through the atmosphere to reach us. During the shorter journey of...
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Why does the sun appear red at sunrises and sunset?
At the time of sunrise and sunset, the light from sun has to travel the longest distance of atmosphere to reach the observer. The light travelling from the sun loses...
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What is meant by scattering of light ? The sky appears blue and the sun appears reddish at sunrise and sunset.
(i) Scattering of light - Phenomenon of spreading of light (diffused, reflection) by minute particles in a medium. (ii) The sky appears blue because of the blue color of sunlight scatter much...
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