When sun is viewed, the layer that is perceived is t<span>he chromosphere. It is the layer of the sun which is irregular in shape and is located above the </span>photosphere. The<span> temperature at this layer ranges from 6000°C to as high as 20,000°C. The reddish color is due to hydrogen present in the sun</span>
Answer:
True
Explanation:
The vernal equinox are the two days in the year in which the sun is exactly above the Equator, one for each hemisphere.
In the Northern Hemisphere, it happens when the sun crosses the Equator going North, marking the beginning of the spring in this hemisphere. It happens in March. So this affirmative is True
Answer:The "three principal rays" which are used for visualizing the image location and size are: A ray from the top of the object proceeding parallel to the centerline perpendicular to the lens. Beyond the lens, it will pass through the principal focal point.
Explanation:
