हिंदी

Calculate the de Broglie wavelength associated with an electron moving with a speed of 5×106 m/s. (me=9.1×10-31kg) -

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प्रश्न

Calculate the de Broglie wavelength associated with an electron moving with a speed of `5 xx 10^6` m/s. `(m_e = 9.1 xx 10^(-31)kg)`

संख्यात्मक

उत्तर

λ = `h/(mv)`

= `(6.63xx10^(-34))/(9.1xx10(-31)xx5xx10^6)`

= `0.1457 xx10^(-9)m`

=`1.457xx10^(-10)m`

λ = 1.457 A

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De Broglie Hypothesis
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