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earnstyle [38]
3 years ago
6

The strength of the force of gravity depends on

Physics
1 answer:
givi [52]3 years ago
3 0

The masses of the objects and how much distance there is between them

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What is the frequency of radiation emitted by a photon of light if the energy released during its transition to ground state is
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Germanium to which 1024 m-3 Ga atoms have been added is an extrinsic semiconductor at room temperature, and virtually all the Ga
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Answer:

Electrical Conductivity is 3200 (\Omega m)^{-1}

Solution:

As per the question:

N_{A} = 10^{24}\ m^{- 3}\ Ga\ atoms

Mobility of electrons, \mu_{e} = 0.26\ m^{2}/ Vs

Mobility of holes, \mu_{h} = 0.020\ m^{2}/ Vs

Charge, Q = 1.6\times 10^{- 19}\ C

Now,

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\sigma = N_{A}Q\mu_{h}

\sigma = 10^{24}\times 1.6\times 10^{- 19}\times 0.020} = 3200(\Omega m)^{-1}

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