Advertisements
Advertisements
प्रश्न
The disposal of nuclear waste safely is a big challenge before scientists.
विकल्प
True
False
Advertisements
उत्तर
True
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.
What is the source of energy of the sun and other stars?
The following question are about the nuclear reactor of a power plant.
Is the energy produced by nuclear fission or nuclear fusion?
One atomic mass unit (u) is equivalent to an energy of:
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
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.
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
Name the process represented by this equation and describe what happens during this reaction.
A nuclear reaction is represented by the equation:
`""_1^2H+_1^2H->_2^3He+xc+E`
What does E represent?
What is the source of energy of sun or stars?
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`?
What is the effect on the atomic mass and the atomic number of a radioactive element, after the emission of an α-particle?
A nucleus of an element has the symbol 84P202, and emits an α-particle and then a β-particle. The final nucleus is bQa Find a and b.
State the energy conversion taking place in a solar cell.
In nuclear power plants, the chain reaction cannot be controlled.
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.
Atomic power plant in Maharashtra is ______.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
