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Sun spots are the one found on the outer surface of the Sun.
Consider the statements regarding Sun spots.
1) Sun spots region generally have lower temperature than the surrounding region on
the Sun’s outer surface.
2) Sun spots do not have any effect on Earth’s climate.
3) Each period of weak Sun spot activity co-relates with the period of overall high solar
radiation output from the Sun’s surface.
4) Sun spots generally have 11 year cycle.
Choose the correct statement/s from the following codes.
1&2 only
1,3&4 only
1,2&4 only
2&4 only
Sunspots are temporary phenomena on the photosphere of the Sun that appear visibly as dark spots compared to surrounding regions. They correspond to concentrations of magnetic field that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere. Sunspots usually appear as pairs, with each spot having the opposite magnetic polarity of the other. Sunspot populations quickly rise and more slowly fall on an irregular cycle of 11 years, although significant variations in the number of sunspots attending the 11-year period are known over longer spans of time.
By: Shubham Tiwari ProfileResourcesReport error
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