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JEE MAIN 2019
12-04-2019 S2
Question
The number density of molecules of a gas depends on their distance $r$ from the origin as $n(r)=n_0 e^{\alpha r^4}$. Then the total number of molecules is proportional to
Select the correct option:
A
$n_0 \alpha^{-3 / 4}$
B
$\sqrt{n_0} \alpha^{1 / 2}$
C
$\mathrm{n}_0 \alpha^{1 / 4}$
D
$n_0 \alpha^{-3}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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