Home
Class 12
CHEMISTRY
Uncertainty in position of an electron ...

Uncertainty in position of an electron (mass of an electron is `=9.1xx10^(-28) g`) moving with a velocity of `3xx10^(4)`cm/s accurate upto `0.001%` will be (use `(h)/(4pi)` in uncertainty expression where `h=6.626xx10^(-27)` erg s)

A

1.92 cm

B

7.68 cm

C

0.175 cm

D

3.84 cm

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The uncertainty in the position of an electron (mass = 9.1 xx 10^-28 g) moving with a velocity of 3.0 xx 10^4 cm s^-1 accurate up to 0.001 % will be (Use (h)/(4 pi) in the uncertainty expression, where h = 6.626 xx 10^-27 erg - s )

Uncertainty in the position of an electron ("mass = "9.1 xx 10^(-31)kg) moving with a velocity 300 ms^(-1) accurate upto 0.001% will be

The uncertainty in the position of an electron moving with a velocity of 3xx10^(4) cm sec^(-1) accurate up to 0.011 %

Calculate the wave length of an electron of mass 9.1 xx 10^(-31) kg , moving with a velocity of 2.05 xx 10^(7)ms^(-1) .

The mass of an electron is 9.1xx10^(-31) kg and velocity is 2.99xx10^(10) cm s^(-1) . The wavelenth of the electron will be

The mass of half mole of electrons is about (Given: Mass of electron =9.1 xx10^(-28) g)

The energy of an electron is 4.0 xx10^(-19) J.Express it in eV.

The kinetic energy of an electron is 4.55 xx 10^(-25) J .The mass of electron is 9.1 xx 10^(-34) kg . Calculate velocity of the electron.

Calculate the uncertainty in position of an electron whose velocity is 3.0 xx 10^4 cms^(-1) accurate up to 0.001%. Mass of an electron =9.1 xx 10^(-28)g .

Uncertainty in position of a particle of 25g in space is 10^(8)m Hence uncertainty in velocity (ms^(-1)) is (Planck's constant h=6.6xx10^(-34)Js )