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प्रश्न
Write a short note.
Problems due to nuclear power plant
उत्तर
- Improper nuclear-waste storage and disposal result in environmental contamination.
- Accidental leakage of nuclear radiation can lead to lethal disaster.
APPEARS IN
संबंधित प्रश्न
Which particles bring about the fission of uranium-235?
State one use of nuclear fission reactions.
Write Einstein's mass-energy equation. Give the meaning of each symbol which occurs in it.
What is the source of energy of the sun and other stars?
State the disadvantages of nuclear energy.
The following question are about the nuclear reactor of a power plant.
Which isotope of uranium produces the energy in the fuel rods?
The following question are about the nuclear reactor of a power plant.
What is the purpose of using the graphite moderator?
The following question are about the nuclear reactor of a power plant.
Why is liquid sodium (or carbon dioxide gas) pumped through the reactor?
In the reactor of a nuclear power plant, name the material which is used:
(a) as a moderator
(b) to absorb radiations
(c) in the fuel rods
(d) in the control rods
(e) to carry away heat
In the nuclear reactor of a power plant:
how do control rods control the rate of fission?
One MeV of nuclear energy is equivalent to:
(a) 1.6 × 10−13 J
(b) 1.6 × 10−19 J
(c) 1.6 × 10−16 J
(d) 1.6 × 10−15 J
A nuclear reactor has half the length of all its control rods inserted in graphite. What must be done so that the reactor produces more heat? Explain your answer.
Give scientific reason:
It is absolutely necessary to control the fission reaction in nuclear power plants.
Name the following nuclear reaction:
\[\ce {^3_1H + ^2_1H -> ^4_2He + ^1_0n + γ}\]
What is nuclear energy? Name the process used for producing electricity using the nuclear energy.
A certain nucleus X has a mass number 15 and atomic number 7. Find the number of neutrons. The nucleus X losses one α-particle and Express the change and write the symbol of the new nucleus.
In nuclear power plants, the chain reaction cannot be controlled.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Which source of electricity generation is least harmful to the environment?
