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6000 A^{0}

। এর কম্পাঙ্ক কত ?

2 \times 10^{- 12} H z

2 \times 10^{16} H z

5 \times 10^{14} H z

5 \times 10^{15} H z

5 \times 10^{16} H z

ANS : 3

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