Home Physics Elasticity ( Mechanical Properties of Solids ) JEE MAIN 2021 The temperature of an ideal gas in 3-dimensi…
Physics Elasticity ( Mechanical Properties of Solids ) JEE MAIN 2021 MCQ (Single Correct)

The temperature of an ideal gas in 3-dimensions is 300K. The corresponding de-Broglie wavelength of the electron approximately at 300K, is:

[m e =mass of electron =9x10 -31 kgh = Planck constant = 6.6x10 -34 Js k B =Boltzmann constant =1.38x10 -23 JK -1 ]

A
6.26nm
B
8.46nm
C
2.26nm
D
3.25nm

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Text Solution

Verified by Experts
The correct answer is:
A

De-Broglie wavelength

Where E is kinetic energy

for gas

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