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Recent questions tagged quantum mechanics
+2
votes
1
answer
Find the elastic and total cross-sections for a ***** sphere of radius R.
asked
Apr 6, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+1
vote
1
answer
The small binding energy of the deuteron (2.2 MeV) implies that the maximum of U(r) **** just inside the range R of the well.
asked
Apr 4, 2019
in
JEE
by
kratos
jee
jee mains
class-12
atoms
quantum mechanics
nuclei
+3
votes
1
answer
(a) Show that e^ipα/ℏx e^−i pα/ℏ = x + α (b) If A and B are Hermitian, find the condition that the product AB will be Hermitian
asked
Apr 3, 2019
in
JEE
by
kratos
quantum mechanics
jee
jee mains
+1
vote
1
answer
The L →K transition of an X-ray tube containing a molybdenum (Z = 42) target occurs at a wavelength of 0.0724 nm.
asked
Apr 2, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+2
votes
1
answer
An electron orbiting around a nucleus has angular momentum L. The magnetic field produced by the electron
asked
Apr 2, 2019
in
JEE
by
kratos
isc
cbse
jee
icse
jee mains
class-12
quantum mechanics
+2
votes
1
answer
Statement-1 : Two particles moving in the same direction do not lose all their energy in a completely
asked
Apr 1, 2019
in
Physics
by
kratos
work
forces
quantum mechanics
work energy and power
class-11
jee
kinematics
centre of mass
jee mains
nuclear physics
+1
vote
1
answer
In the case of α − He scattering the measured scattered intensity at 45°
asked
Mar 31, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+3
votes
1
answer
Obtain an expression for the Doppler linewidth for a spectral line of wavelength λ emitted by
asked
Mar 30, 2019
in
JEE
by
kratos
irodov
jee
optics
jee mains
moving sources
quantum mechanics
+3
votes
1
answer
The operators P and Q commute and they are represented by the matrices |(1, 2) (2, 1)|
asked
Mar 30, 2019
in
JEE
by
kratos
jee
matrices
determinants
jee mains
quantum mechanics
+3
votes
1
answer
In the Helium-Neon laser (three-level laser), the energy spacing between the upper
asked
Mar 29, 2019
in
JEE
by
kratos
jee
all about atoms
dual nature of radiation and matter
optics
jee mains
class-12
quantum mechanics
+3
votes
1
answer
(a) Compute < x > and σ^2 (b) Calculate the momentum probability density.
asked
Mar 27, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+3
votes
1
answer
Use Moseley'* law b = 1 to find the frequency of the Kα X-rays of La (Z = 57) if the frequency of the Kα X-rays of Cu (Z = 29)
asked
Mar 26, 2019
in
Physics
by
kratos
modern physics
x-rays
jee
jee mains
class-12
quantum mechanics
+2
votes
1
answer
The small binding energy of the deuteron indicates that the maximum of U(r) **** only just inside the range R of the square well potential.
asked
Mar 26, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+2
votes
1
answer
Ramsauer (1921) observed that monatomic gases such as argon is almost completely transparent to electrons of 0.4eV energy,
asked
Mar 25, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+1
vote
1
answer
The electronic configuration of an element is 1s^2 , 2s^2 ,2p^6 ,3s^2 , 3p^6 ,3d^5 4s^1. This represents its
asked
Mar 24, 2019
in
Class 12
by
kratos
d-and f- block elements
neet
chemical bonding
cbse
quantum mechanical model of atom
class-11
jee
molecular structure
class-10
jee mains
quantum mechanics
+3
votes
1
answer
Explain conditions of Interaction.
asked
Mar 23, 2019
in
Social Science
by
kratos
class-11
jee
jee mains
social process
quantum mechanics
+1
vote
1
answer
Derive the probability distribution for a classical simple harmonic oscillator
asked
Mar 21, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+3
votes
1
answer
Write down an expression for the z-component of angular momentum, Lz,
asked
Mar 19, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+1
vote
1
answer
A particle of mass m is trapped in a potential well which has the form, V = 1/2mω^2x^2.
asked
Mar 19, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
+1
vote
1
answer
Historically, the study of alternate intensities of spectral lines in the rotational spectra
asked
Mar 19, 2019
in
JEE
by
kratos
jee
quantum mechanics
jee mains
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