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प्रश्न
Write a short note.
Problems due to nuclear power plant
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उत्तर
- Improper nuclear-waste storage and disposal result in environmental contamination.
- Accidental leakage of nuclear radiation can lead to lethal disaster.
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संबंधित प्रश्न
The calorific value and ignition temperature of fuel A are 55 kJ/g and 80°C, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO2 and H2O while the fuel B produces CO2 , CO and SO2. Give three points of relative and disadvantages of these two fuels.
What do you think is the purpose of the thick, concrete chamber surrounding the reactor of a nuclear power plant?
Describe the process by which energy is released in the sun. Write the equation of the nuclear reaction involved.
Differentiate between nuclear fission and 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?
The energy produced by converting 1 gram mass of a nuclear fuel into energy completely is:
(a) 9 × 1016 J
(b) 9 × 1014 J
(c) 9 × 1015 J
(d) 9 × 1013 J
Which of the following can undergo nuclear fusion reaction?
(a) uranium
(b) deuterium
(c) barium
(d) krypton
A nuclear reaction is represented by the following equation:
`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`
Name one installation where the above nuclear reaction is utilised.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
The element X has an atomic mass number of 238 and an atomic number
of 92. It emits an alpha particle forming an element y. Y can be represented
by
What changes occur in the nucleus of a radioactive element when it emits an alpha particle? Show by an example?
A radioactive carbon nucleus 6C14 emits a β-particle to form a nitrogen nucleus. Represent the change by an equation showing the atomic and mass number of each elements.
Explain briefly what changes take place within the nuclei when beta particles are emitted by a radioactive substance.
A certain nucleus X has a mass number 14 and atomic number 6. The nucleus X changes to `"_7Y^14` after the loss of a particle. Represent this change in the form of an equation.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
What is the number of protons in 92U238?
Which is the process used to harness nuclear energy these days? Explain it briefly.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Why is nuclear fission useful to mankind?
