Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged molecules and nuclei
+3
votes
1
answer
A nucleus disintegrates into two nuclear parts which have their velocities in the ratio 2 : 1.
asked
Apr 6, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
atoms
nuclei
+2
votes
1
answer
How does the spectrum emitted by rarefied gases different from those dense gases?
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
jee
molecules and nuclei
jee mains
class-12
atoms
nuclei
+1
vote
1
answer
If N0 is the original mass of the substance of half-life ****** t1/2 = 5 years,
asked
Mar 28, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
class-12
atoms
nuclei
+3
votes
1
answer
At a certain instant, a radioactive sample has a decay rate of 5000 dis-integration Per minute.
asked
Mar 11, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
class-12
atoms
nuclei
+3
votes
1
answer
Starting with a sample of pure 66^Cu, 7/8 of it decays into Zn in 15 minutes. The corresponding half-life is
asked
Mar 6, 2019
in
JEE
by
kratos
jee
the nucleus
molecules and nuclei
jee mains
class-12
atoms
nuclei
+2
votes
1
answer
The disintegration rate of a certain radioactive sample initially is 4750 disintegrations per minute.
asked
Mar 2, 2019
in
Class 12
by
kratos
neet
jee
aiims
the nucleus
molecules and nuclei
jee mains
class-12
atoms
nuclei
+2
votes
1
answer
At a specific instant emission of radioactive compound is deflected in a magnetic field. The compound can emit
asked
Feb 25, 2019
in
JEE
by
kratos
jee
molecules and nuclei
magnetic effect of current
jee mains
magnetism
atoms
+3
votes
1
answer
An alpha nucleus of energy (1/2)mv^2 bombards a heavy nuclear target of charge Ze.
asked
Feb 23, 2019
in
Class 12
by
kratos
neet
jee
molecules and nuclei
jee mains
class-12
atoms
nuclei
+1
vote
1
answer
Which of the following radiations has the least wavelength?
asked
Feb 16, 2019
in
JEE
by
kratos
jee
molecules and nuclei
atoms
+1
vote
1
answer
If N0 is the original mass of the substance of half-life ****** t1/2 = 5 years,
asked
Feb 11, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
atoms
nuclei
+3
votes
1
answer
The wavelengths involved in the spectrum of deuterium (1D2) are slightly different from that of hydrogen spectrum, because
asked
Feb 9, 2019
in
Physics
by
kratos
atomic and nuclear physics
jee
atom
molecules and nuclei
jee mains
class-12
atoms
nuclei
+2
votes
1
answer
An α-particle of energy 5 MeV is scattered through 180° by a fixed uranium nucleus.
asked
Feb 8, 2019
in
Class 12
by
kratos
neet
electrostatics
jee
molecules and nuclei
jee mains
atoms
nuclei
+3
votes
1
answer
The binding energy Per nucleon for the Parent nucleus is E1 and that for the daughter nuclei is E2 then
asked
Feb 4, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
jee main
class-12
atoms
nuclei
+3
votes
1
answer
A radioactive nucleus (initial mass number A and atomic number Z) emits 3 α-particles and 2 positrons.
asked
Jan 29, 2019
in
Physics
by
kratos
atomic and nuclear physics
jee
molecules and nuclei
class-10
icse
jee mains
class-12
atoms
nuclear physics
nuclei
+3
votes
1
answer
If Mo is the mass of an isotope, 178 O, Mp and Mn are the masses of a Proton and neutron respectively,
asked
Jan 28, 2019
in
Class 12
by
kratos
neet
jee
molecules and nuclei
jee mains
atoms
nuclei
+1
vote
1
answer
Keeping other factors fixed, it is found experimentally that for small thickness t, the number of α-particles scattered at
asked
Jan 22, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
class-12
atoms
nuclei
+3
votes
1
answer
In gamma ray emission from a nucleus, (a) both the neutron number and the proton number change
asked
Jan 18, 2019
in
Class 12
by
kratos
neet
jee
molecules and nuclei
jee mains
atoms
nuclei
+1
vote
1
answer
The binding energy per nucleon for the parent nucleus is E1 and that for the daughter nuclei is E2.
asked
Jan 17, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee main
jee mains
class-12
atoms
nuclei
+1
vote
1
answer
If the binding energy of the electron in a hydrogen atom is 13.6eV,
asked
Jan 15, 2019
in
JEE
by
kratos
jee
molecules and nuclei
atoms
+2
votes
1
answer
Statement I A nucleus having energy E1 decays be β^- emission to daughter nucleus having energy E2,
asked
Jan 14, 2019
in
JEE
by
kratos
jee
molecules and nuclei
jee mains
jee main
class-12
atoms
nuclei
To see more, click for the
full list of questions
or
popular tags
.