Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged quantum physics
+2
votes
1
answer
The technique used to transmit audio signals in television broadcasts is :
asked
Apr 7, 2019
in
Physics
by
kratos
atom models
modern physics
csat
jee
communication systems
class-10
jee mains
class-12
quantum physics
+1
vote
1
answer
In the X-rays tube before striking the target we accelerate the electrons through a potential difference of U volt.
asked
Apr 2, 2019
in
Physics
by
kratos
modern physics
atom models
quantum physics
class-12
jee mains
jee
+3
votes
1
answer
Following a nuclear reaction, a nucleus of aluminum is at rest in an excited state represented by 27^13Al*
asked
Mar 29, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+3
votes
1
answer
The diagram to the right shows the lowest four energy levels for an electron in a hypothetical atom.
asked
Mar 26, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+2
votes
1
answer
Electrons show diffraction effects because their de Broglie wavelength is similar to
asked
Mar 22, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+1
vote
1
answer
An incident gamma ray photon of wavelength 1.400 x 10^–14 m is scattered *** a stationary nucleus.
asked
Mar 22, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+2
votes
1
answer
Which of the following graphs best represents the de Broglie wavelength λ of a particle as a function of the linear momentum p of the particle?
asked
Mar 17, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+2
votes
1
answer
A student performs an experiment on photoelectric effect, using two materials A and B. A plot of Vstop vs ν is given in Fig. 11.2.
asked
Mar 11, 2019
in
Physics
by
kratos
atom models
modern physics
cbse
jee
dual nature of radiation and matter
de broglie relation
jee mains
class-12
quantum physics
+2
votes
1
answer
In order to find the internal structure of nucleus, electrons should be accelerated by voltages up to
asked
Mar 10, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+1
vote
1
answer
Two monochromatic light beams, one red and one green, have the same intensity
asked
Mar 10, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+1
vote
1
answer
When an electron moving at a high speed strikes a metal surface, which of the following are possible?
asked
Mar 9, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
nuclear physics
+1
vote
1
answer
If Rutherford'* experiment generally the thin foil of heavy atoms, like gold, platinum etc.
asked
Mar 9, 2019
in
Physics
by
kratos
atom models
modern physics
class- 11
cbse
structure of the atom
class-11
jee
class-9
atomic structure
jee mains
quantum physics
structure of atom
+2
votes
1
answer
An energy-level diagram for a hypothetical atom is shown above.
asked
Mar 9, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+2
votes
1
answer
In an experiment of photoelectric effect, the slope of cutoff voltage versus frequency of incident light is found to be 4.12 × 10^–15 Vs.
asked
Mar 7, 2019
in
Physics
by
kratos
atom models
modern physics
jee
dual nature of radiation and matter
jee mains
class-12
quantum physics
+3
votes
1
answer
In a television set, electrons are first accelerated from rest through a potential difference in an electron ***.
asked
Mar 6, 2019
in
Physics
by
kratos
atom models
modern physics
electrostatics
jee
magnetic field
magnetic effect of current
jee mains
magnetism
class-12
quantum physics
+3
votes
1
answer
A student performs a photoelectric effect experiment in which light of various frequencies
asked
Mar 4, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+2
votes
1
answer
Energy of an electron in an atom is A. quantized B. continuous C. radial
asked
Mar 4, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+3
votes
1
answer
Which of the following transitions will produce the photon with the longest wavelength?
asked
Mar 2, 2019
in
Physics
by
kratos
atom models
modern physics
jee
jee mains
quantum physics
+3
votes
1
answer
A monochromatic light is used in an photoelectric experiment on photoelectric effect. The stopping potential -
asked
Feb 28, 2019
in
Physics
by
kratos
modern physics
atom models
quantum physics
class-12
jee mains
wave particle quality
jee
photoelectric effect
+3
votes
1
answer
How does the size of a nucleus depend on its mass number? Hence explain why the density of nuclear matter is independent of the size of nucleus.
asked
Feb 23, 2019
in
Physics
by
kratos
atom models
modern physics
cbse
jee
jee mains
class-12
quantum physics
To see more, click for the
full list of questions
or
popular tags
.