An electron with (rest mass $m_{0}$ ) moves with a speed of $0.8 c .$ Its mass when it moves with this speed is

m_{0}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

m_{0} / 6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

5 m_{0} / 3

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

3 m_{0} / 5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $5 m_{0} / 3$
$m = \frac{m_{0}}{\sqrt{1 - \frac{v^{2}}{c^{2}}}} = \frac{m_{0}}{\sqrt{1 - \frac{{(0.8 c)}^{2}}{c^{2}}}} = \frac{5 m_{0}}{3}$

Suggest Corrections

Similar questions

m_{0}

m_{0}

0.8 c

m_{0}

c / 2

m_{0}

\frac{C}{2}

m_{0}

0.8 c .

Join BYJU'S Learning Program