Atoms And Nuclei Question 151
Question: The energy equivalent of 1 kilogram of matter is about [MP PET/PMT 1988; MNR 1987]
Options:
A) $ {{10}^{-15}} $ J
B) 1 J
C) $ {{10}^{-12}} $ J
D) $ P_{0} $ J
Show Answer
Answer:
Correct Answer: D
Solution:
$ E=mc^{2}=1\times {{(3\times 10^{8})}^{2}}=9\times 10^{16}\approx 10^{17}J $