Modern Physics> Mobility of free electron is greater than...

Mobility of free electron is greater than the holes because
A) they carry negative charge
B) electrons are light
C) electrons requires low energy for their motion
D) none of these

Pawan joshi , 6 Years ago

Grade 12th pass

1 Answers

mahima pareek

Last Activity: 6 Years ago

It would be B) electrons are light (mass wise)

As we consider holes as the deficiency of positive charge , holes mass is considered to be the mass of a proton ( there is actually no mass of a hole, but something was necessary to be considered

to define things) therefore we know that electrons are lighter than protons, so electrons are lighter than holes too.

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Modern Physics> Mobility of free electron is greater than...

Mobility of free electron is greater than the holes because A) they carry negative chargeB) electrons are lightC) electrons requires low energy for their motionD) none of these

Pawan joshi , 6 Years ago

mahima pareek

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A) they carry negative charge
B) electrons are light
C) electrons requires low energy for their motion
D) none of these

A nucleus X¹⁸⁴ at rest emitt alpha particle With kinetic energy 9.0MeV. The product Nucleus is Y. The values of Binding energy per nucleon of alpha particle & Y differ by 1.5MeV. The values of Binding energy per nucleon of X & Y differ by (n÷230) MeV, then n is

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