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Byju's Answer
Standard XII
Chemistry
Thomson's Discovery of Electrons
1mg of matter...
Question
1mg of matter convert into energy will give
A
90
joule
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B
9
×
10
3
joule
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C
9
×
10
5
joule
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D
9
×
10
10
joule
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Solution
The correct option is
D
9
×
10
10
joule
E
=
m
c
2
=
10
−
3
×
10
−
3
×
(
3
×
10
8
)
2
=
9
×
10
10
J
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