The Probability Density for the 1s State Is Given by |

Multiple Choice

The probability density for the 1s state is given by | $\Psi$ _1s|².The probability of finding the particle somewhere in space is

A) $\int \left| \Psi _ { 1 s } \right| ^ { 2 } 4 \pi r ^ { 2 } d r$
B) $\int \left| \Psi _ { 1 s } \right| ^ { 2 } d r$
C) $\int \left| \Psi _ { 1 s } \right| ^ { 2 } r d r$
D) $\int \left| \Psi _ { 1 s } \right| ^ { 2 } r ^ { 2 } d r$
E) $\int \left| \Psi _ { 1 s } \right| ^ { 2 } r ^ { 3 } d r$