An electron is accelerated through a potential difference of $1000$ volts. Its velocity is nearly
An electron is accelerated through a potential difference of $1000$ volts. Its velocity is nearly
- A
$3.8 \times {10^7}m/s$
- B
$1.9 \times {10^6}m/s$
- C
$1.9 \times {10^7}m/s$
- D
$5.7 \times {10^7}m/s$
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In Millikan’s oil drop experiment, an oil drop of mass $16 \times {10^{ - 6}}kg$ is balanced by an electric field of ${10^6}V/m.$ The charge in coulomb on the drop, assuming $g = 10\,m/{s^2}$ is
In Millikan’s oil drop experiment, an oil drop of mass $16 \times {10^{ - 6}}kg$ is balanced by an electric field of ${10^6}V/m.$ The charge in coulomb on the drop, assuming $g = 10\,m/{s^2}$ is
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