railway RRB Group D Mock Test Series 2024-25 Physics Atoms

ପରମାଣୁ ର ପ୍ଲମ ପଡିଙ୍ଗ ମଡେଲ କିଏ ପ୍ରସ୍ତାବ ଦେଇଥିଲେ ?

1
ଜେ ଜେ ଥମସନ 
2
ରଦରଫୋର୍ଡ 
3
ବୋର 
4
ଉପରୋକ୍ତ ମଧ୍ୟରୁ କେଉଁଟି ନୁହେଁ 
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