Q. Which of the following relations is correct?

1556 247 Physical World, Units and Measurements Report Error

A

$E =$ m $c$

100%

B

$E = m c^{2}$

0%

C

$E = 2 m$ $c^{2}$

0%

D

$E = m c^{2}$ $/4$

0%

Solution:

Correct answer is (b) $E = m c^{2}$