Why sun light is hottest at noon when the size of sun is small.?

Question

Size of visibility of an object will vary depending on its distance from us. Increase the distance, decrease the size of object. Morning and evening size of the sun is bigger. That means sun is closer to us than at noon.

Answer 1

Direction

Answer 2

You already have some good answers so I'm not going to add to them.  But your questions reminds me on this one: If heat rises, why does it get colder the further north you go?

Answer 3

No, the size of the sun is the same all day long. We remain the same distance from the sun as we rotate 'underneath' it. It appears larger in evening and in morning because we have something to compare it to. (The Horizon.)

That rotation answers the 2nd part of your question.

In the morning the suns rays reach us at almost 90 degrees, and are diffused.

At noon the sun is directly overhead, there is no diffusion and the least shade exists to assist in cooling things.

Towards evening, as the Earth rotates even more, the sun must come from a steeper and steeper angle. It loses strength as it becomes more diffused.

Shadows grow longer and often a surface breeze blows in as warm air rises high into the sky.

Finally the Earth rotates far enough that the rays of the sun can't be seen and night descends.

During this whole process, only the Earth rotates. The sun is no closer, nor any further.

Experiment: while protecting your eyes with appropriate eye wear, Hold your arm at full length and break a stick, or tear a piece of paper as large as the sun at dawn.

At noon measure the size of the sun again. The stick has not shrunk!

The sun is the same size!!

See: Optical illusion

Answer 4

great thinking, but your theory is wrong. no matter which way the earth turns we're still the same distance away. what makes the sun appear larger against the horizons compared to directly above is the atmosphere. the atmosphere along the horizon to where you are is thicker than the horizon directly above you and that thickness acts as sort of a magnifying glass which makes the sun(and the moon) appear larger. the temperature is hotter during noon simply because of the storage of heat in the ground. when you feel heat, your not directly feeling heat from the sun. your feeling the heat that the surface of the earth absorbs and then releases. the longer the sun is out and the less shadows covering the land, the hotter it will get. you do feel heat directly from the sun but i mean go into the shade on a day 100+ and the shade is still around 80. no sun rays, but still plenty of heat.

Answer 5

You have a major misunderstanding, there. The sun is the same apparent size no matter where in the sky it is, about one half of a degree. It appears bigger when it's near the horizon because, near the horizon, there are things with which to compare it. Our distance from the sun does vary, but over the course of a year, not a day. The sun feels hotter at midday because that is when its rays are most direct, and traveling through the least amount of atmosphere.

Answer 6

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http://indiastudychannel.com/resources/V...

Answer 7

The angle is straight down, beating directly upon your head.

Answer 8

Sun is over head at noon n direct rays fall on us.

Answer 9

The Sun is the same size in our sky at all times of the day.  Optical illusions make the Sun appear larger when it is near the horizon. (moring and evening)  

The reason for more heat at noon is the fact that the Sun's rays are most direct at noon.