Add New Description

Fill up the form and submit

মেসনের গড় আয়ু

2 \times 10^{- 8} s e c

1.56 \times 10^{- 8} s e c

2 \times 10^{- 8} s e c

3.33 \times 10^{- 8} s e c

None

ANS : 3

Descrption

To add a description please, login first. click here to login

Cancel Login