General Knowledge Science Technology and Inventions

ଇଲେକ୍ଟ୍ରନ୍ କିଏ ଆବିଷ୍କାର କଲା?

1

ନିଲ୍ସ ବୋହର

2

ଜେଜେ ଥମସନ

3

ଆଲବର୍ଟ ଆଇନଷ୍ଟାଇନ

4

ଏରେନଷ୍ଟ ରାଉଟରଫୋର୍ଡ

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