calculate the energy equivalent to 2mgm mass
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Answer:
1.8×10 18 erg
Explanation:
Using the relation, ΔE=Δm×C 2 (Δm in kg,ΔE in J)
2mg=2×10 −6 kg
∴ΔE=2×10 −6 ×(3×10 8 ) 2 J
= 2×10 −6 ×9×10 16 J
=18×10 10 J
= 18×10 10 ×10 7 erg(1J=10 7 erg)
= 1.8×10 18 erg1.8×10 18 erg
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