Which is said to be the most harmful radiation, emitted by the sun ?

Which is said to be the most harmful radiation, emitted by the sun ?

سورج سے خارج ہونے والی سب سے زیادہ نقصان دہ تابکاری کس کو کہا جاتا ہے؟
Explanation

Ultra Violet rays: most harmful and are almost completely absorbed by our atmosphere.