Advertisements
Advertisements
प्रश्न
In nuclear power plants, neutrons are bombarded on atoms of __________.
पर्याय
Uranium - 236
Barium
Krypton
Uranium - 235
Advertisements
उत्तर
In nuclear power plants, neutrons are bombarded on atoms of Uranium - 235.
APPEARS IN
संबंधित प्रश्न
Which of the following is not an example of a bio-mass energy source?
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.
Arrange the following fuels in the order of decreasing calorific values (keeping the fuel with highest calorific value first):
Biogas, Kerosene, Wood, Petrol, Hydrogen gas, Methane
Of what material are the control rods of a nuclear reactor made?
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
Calculate the energy released in joules when 5 g of a material is completely converted into energy doing a nuclear reaction.
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
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
State two conditions under which such a reaction takes place.
Give scientific reasons:
It is absolutely necessary to control the fission reaction in nuclear power plants.
Make the correct choices in the following:
(a) In one atom of copper (mass number 63, atomic number 29) there are
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.
The nucleus B emit a β-particle and is transformed into nucleus C. What is the composition of C?
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.
Write the demerits of a nuclear energy plant.
Which substance is used as fuel in nuclear power plants?
Which is the process used to harness nuclear energy these days? Explain it briefly.
When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.
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.
