Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Nuclei

Question:

Energy of 1g uranium is equal to

Options:

$9.0 \times 10^{13} J$

$9.0 \times 10^{19} J$

$3.0 \times 10^{16} J$

$3.0 \times 10^{17} J$

Correct Answer:

$9.0 \times 10^{13} J$

Explanation:

$E=m c^2=\left(1 \times 10^{-3}\right)\left(3 \times 10^8\right)^2=9 \times 10^{13} J$