General Science Physics

କିଏ ଏକ୍ସ-ରେ ଉଦ୍ଭାବନ କଲା?

1

ନ୍ୟୁଟନ୍

2

ହେନେରୀ ବେକେରେଲ

3

W C ରୋଏଣ୍ଟେନ୍

4

J W ରିଟର୍

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