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AP EAMCET Engineering 21 Apr 2019 Shift 1 Paper
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© examsnet.com
Question : 118
Total: 160
The rate of disintegration of a radioactive sample is ‘R‘ and the number of atoms present at any time 't' is ‘N'. When
R
N
is taken alone Y-axis and 't'is taken alone X-axis, the correct graph is
Validate
Solution:
Consider the below diagram.
The statement of the law of the radioactive decay is,
d
N
d
t
=
−
λ
N
R
=
−
λ
N
R
=
−
λ
Thus the correct graph is shown in option (4)
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