Advertisements
Advertisements
प्रश्न
Write the merits of nuclear energy.
उत्तर
A nuclear power plant does not use fossil fuel like coal. Therefore, problems like air pollution do not arise.
APPEARS IN
संबंधित प्रश्न
Name the moderator used in a nuclear reactor.
Why are very high temperatures required for fusion to occur?
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
Explain with diagram step-by-step energy conversion in Nuclear Power Plant.
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?
In what way are these numbers related to the isotopes of an element?
What is the source of energy of sun or stars?
Name the following nuclear reaction:
\[\ce {^235_92U +^1_0n-> ^90_38Sr + ^143_54Xe + 3^1_0n + γ}\]
A nucleus `"_11Na^24` emits a beta particle to change into Magnesium (Mg).
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name `"_12^24Mg` with respect to `"_11^24Na`?
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.
An element 92U238 losses one alpha particle, and then one β-particle and then again one β- particle to get the final nucleus bQa.
(i) Write down the values of a and b.
(ii) State the relationship between the nuclei P and Q.
In nuclear power plants, neutrons are bombarded on atoms of __________.
Nuclear power plants in India
Thermal power generation : Air pollution : : Nuclear power generation : _____________
When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.
Discuss problems associated with nuclear power generation.
Name the nuclear radiation which has the highest ionizing power.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.