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The energy difference between the ground state and first excited state of anelectron in a one-dimensional rigid box of length 10-8 cm is

SHRAVAN , 11 Years ago
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anser 6 Answers
Arun Kumar

Last Activity: 10 Years ago

Energy in one dimensional box is determined by

h is planck's constant
L is length of the box.
m is mass of electron

Arun Kumar
IIT Delhi
Askiitians Faculty

Mahesh

Last Activity: 3 Years ago

Calculate the energy difference between ground sstate and first excited state is an electron in box length 10power minus 8cm
 

Abhishek

Last Activity: 3 Years ago

En=n²h²/8mL²
En=n²×(6.63×10^-34)²/8×9.1×10^-34×(10^-8)²
En=3.75×10^-3×n²   eV
For ground state (n=1), E1=3.75×10^-3  eV
For exited state (n=2), E2=0.015 eV
E2-E1= 11.25  eV

Abhishek Kumbhar

Last Activity: 2 Years ago

The duration of a radar pulse is 10-0 sec. Calculate tpe uncertainty in it's energy 
in electron volts. Given that Planck's constant h = 6.63 x 10·34 JS

Abhishek Kumbhar

Last Activity: 2 Years ago

The duration of a radar pulse is 10-0 sec. Calculate tpe uncertainty in it's energy
in electron volts. Given that Planck's constant h = 6.63 x 10·34 JSec.

Abhishek Kumbhar

Last Activity: 2 Years ago

The duration of a radar pulse is 10-0 sec. Calculate tpe uncertainty in it's energy 
in electron volts. Given that Planck's constant h = 6.63 x 10·34 JSec.

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