Advertisements
Advertisements
प्रश्न
Write a short note.
Problems due to nuclear power plant
Advertisements
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 of the following is not an example of a bio-mass energy source?
What is a fuel? Give five examples of fuels.
One of the following is not a characteristic of a good fuel. This is:
(a) high calorific value
(b) no emission of smoke
(c) smooth burning
(d) high ignition temperature
State whether the fission of uranium-235 is caused by low energy neutrons or high energy neutrons.
Why are very high temperatures required for fusion to occur?
In the nuclear reactor of a power plant:
how do control rods control the rate of fission?
how is heat removed from the reactor core, and what use is made of this heat?
One eV (electron volt) of nuclear energy is equivalent of:
(a) 1.6 × 10−14 J
(b) 1.6 × 10−12 J
(c) 1.6 × 10−19 J
(d) 1.6 × 10−13 J
Which one of the following statements about alpha and beta particles is
correct?
What changes will take place in the mass number and atomic number of the nucleus Y if it emits gamma radiations?
An atomic nucleus A is composed of 84 protons and 128 neutrons. It emits an α-particle and is transformed into nucleus B. Write down the composition of B.
A radioactive carbon nucleus 6C14 emits a β-particle to form a nitrogen nucleus. Represent the change by an equation showing the atomic and mass number of each elements.
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.
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. A radioactive substance is oxidized. What change would you expect to take place in the nature of its radioactivity? Give a reason for your answer.
What is nuclear waste? What are hazard of nuclear waste to living beings? How is nuclear waste disposed off?
The disposal of nuclear waste safely is a big challenge before scientists.
In nuclear power plants, turbines working on solar panels are used.
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.
