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The temperature of an ideal gas in 3- de...

The temperature of an ideal gas in 3- deimensions is 300 K. The corresponding de - Broglie wavelength of the electron approximately at 300 K , is :
[`m_e` = mass of electron` = 9 xx 10^(-31) kg`
h = Planck constant `= 6.6 xx 10^(-34) Js`
`k_B` = Boltzmann constant ` = 1.38 xx 10^(-33)JK^(-1)`]

A

2.26 nm

B

3.25 nm

C

8.46 nm

D

6.26 nm

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