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प्रश्न
Which of the following statements are correct?
Electrons have
पर्याय
No mass,
A mass less than that of a proton,
A mass equal to that of a helium atom,
Mass greater than that of a neutron.
उत्तर
A mass less than that of a proton,
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संबंधित प्रश्न
What are the advantages of nuclear energy?
Name the type of nuclear reaction which is involved in the working of:
an atom bomb.
What will happen if slow moving neutrons are made to strike the atoms of a heavy element `''235_92U`? What is the name of this process?
The following question are about the nuclear reactor of a power plant.
Which isotope of uranium produces the energy in the fuel rods?
Which of the following is used as a moderator in the reactor of a nuclear power station?
(a) liquid sodium
(b) boron
(c) graphite
(d) carbon dioxide
Complete the following nuclear change:
\[\ce{^24_11 Na -> ...Mg.... + ^0_-1β}\]
An imaginary radioactive element `"_92X^235` decays to form X1; X2; X3; X4; X5 and X6 nuclides, by ejecting two β-particles, followed by α-particles and again two β-particles, followed by α-particle. Represent the various nuclear changes in the form of an equation. State the mass number and atomic number of X6. List the isotopes and isobars in the above nuclear equation.
State charge and mass of α-particle.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.
Which substance is used as fuel in nuclear power plants?
