Binding energy per nucleus for uranium is above: 7.7 Mev
The first atomic reactor was introduced by: Enrico Fermi
The radioactive decay obeys the law: B
The energy of photon for photoelectric effect is less than: 5 MeV
Both xenon and caesium each have: 36 isotopes
Mass equivalent of 931 MeV energy is: 1.766 x 10<sup>-27</sup>kg
Unit of decay constant: S-1
The energy equivalent of 1 kg of matter is about: 10-17J
A radio active substance has a half life of four months. 3 -fourth of the substance will decay in: 8 months
Radioactivity happen due to the disintegration of: Nucleus
One joule of energy absorbed per kilogram of a body is: Grey
How many neutrons are there in the nuclide Zn<sup>66</sup>: 36
The mass spectrum of naturally occurring neon, showing: 3 isotope
How many neutrons are there in the nuclide Zn66: 36
Those elements whose charge number z is greater then __________ are unstable: 82
The bnding energy for nucleus A is 7.7 Me V and that for nucleus B is 7.8 MeV. Which nucleus has the larger mass: Nucleas A
A radio active substance has a half life of four months. 3 -fourth of the substance will decay in: 8 months
There is no charge in A and Z of any radioactive element by the emission of: Gama particle
Gamma radiations are emitted due to: De-excitation of nucleus
The most abundant isotope of neon is: Neon 20
Gamma rays from cobalt -60 are used for treatment of: Cancer
1 amu is equal to: 1.0606 x 10-27 kg
The early Greeks believed that matter waves was: Discrete
Binding energy per nucleon is maximum for: Iron
Controlling rods inserted into the reactor are of metal: Cadmium
The total charge of any nucleus is: Ze
The charge of an alpha particle is equal to: 2e
Which of the following basic force is able to provide an attraction between two neutrons: Gravitational and strong nuclear
The unit of radioactivity is: Bequerel
Marie Curie and Pierre Curie discovered: Polonium and radium
The radio active nuclide 86Ra228 decays by a series of emissions of three alpha particles and one beta particle. The nuclide X finally formed is: 84X216
The mass of proton in amu is: 1.007276
amu =: 1.6606 x 10-27 kg
In Wilson cloud chamber, ß-particles leave: Thin and discontinuous tracks
James chadwick discovered: Neutron
The potential difference between the top and bottom of a cloud chamber is of the order of: 1 kv
Charge on an electron was determined by: Millikan
The mass of protons is: 1.673 x 10-27 kg
The binding energy for_________ is maximum: Iron
Bottom quark carries charge: -1 /3 e
Rutherford performed on experiment on a nuclear reaction in: 1932
In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is: a-particles
Mass equivalent of 931 MeV energy is: 1.766 x 10-27kg
Before and after nuclear reaction the number of protons and neutrons: Remains same
Unit of decay constant: S-1
The SI unit of decay constant is: m-1
The scientist who suggested the presence of neutron was: Rutherford