$\begin {array} {1 1} (1)\;2.7 \times 10^{-21}ms^{-1} & \quad (2)\;2.7 \times 10^{-18}ms^{-1} \\ (3)\;9 \times 10^{-2}ms^{-1} & \quad (4)\;3 \times 10^{-31}ms^{-1} \end {array}$

(mass of electron $ = 9.1 \times 10^{-31} kg)$

Want to ask us a question? Click here

Browse Questions

Physics

Ad |

0 votes

$\begin {array} {1 1} (1)\;2.7 \times 10^{-21}ms^{-1} & \quad (2)\;2.7 \times 10^{-18}ms^{-1} \\ (3)\;9 \times 10^{-2}ms^{-1} & \quad (4)\;3 \times 10^{-31}ms^{-1} \end {array}$

(mass of electron $ = 9.1 \times 10^{-31} kg)$

Ask Question

Take Test

x

JEE MAIN, CBSE, AIPMT Mobile and Tablet App

The ultimate mobile app to help you crack your examinations

...