Advertisements
Advertisements
प्रश्न
Write the demerits of a nuclear energy plant.
उत्तर
- Improper nuclear-waste storage and disposal can 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?
Name the type of nuclear reaction which is involved in the working of:
an atom bomb.
If 25 atomic mass units (u) of a radioactive material are destroyed in a nuclear reaction, how much energy is released in MeV?
State the disadvantages of nuclear energy.
Calculate the energy released in joules when 5 g of a material is completely converted into energy doing a nuclear reaction.
The control rods used in the reactor of a nuclear power plant are made of:
(a) steel
(b) graphite
(c) uranium
(d) boron
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.
The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make:
(i) an atom bomb,
A nuclear power plant is working normally. What would you do if the reactor core suddenly got too hot?
Which of the following statements are correct?
Electrons have
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 is the meaning of mass number?
State the kind of nuclear reaction taking place in a nucleus during the emission of a β-particle.
What precautions must be taken for the safe disposal of nuclear waste?
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. Name the particle emitted.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Find the number of protons and neutrons in its nucleus.
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?
Give scientific reasons.
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.
