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प्रश्न
What is the meaning of mass number?
उत्तर
Mass number is the sum of protons and neutrons present in the nucleus.
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संबंधित प्रश्न
State one use of nuclear fission reactions.
The following question are about the nuclear reactor of a power plant.
Is the energy produced by nuclear fission or nuclear fusion?
Which of the two, nuclear fusion and nuclear fusion, is made use of:
(1) for the production of electricity?
(2) for making a hydrogen bomb?
Nuclear fission reactions are not a source of energy for one of the following. This is:
(a) atom bomb
(b) power plants
(c) sun
(d) pacemaker
What is the source of energy of sun or stars?
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.
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
In nuclear power plants, neutrons are bombarded on atoms of __________.
Write the merits of nuclear energy.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
