[单选题] 提问人:匿名网友 提问时间:2021-08-22

Why Roentgen named the new rays produced from the tube as X-rays?


A .Because the letter X is special.
B .Because others give the name.
C .Because the letter X is the name of this ray itself.
D .Because the letter X stands for the unknown.

提问人:匿名网友 提问时间:2021-08-22

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