Question:গামা রশ্মির দ্রুতি- 

A `3xx10^8ms^(-1)` 

B `9.11xx10^8ms^(-1)` 

C `3.9xx10^7ms^(-1)` 

D `3xx10^(10)ms^(-1)` 

+ Answer
+ Report
Total Preview: 156

Copyright © 2024. Powered by Intellect Software Ltd