Advertisements
Advertisements
प्रश्न
What is the source of energy of the sun and other stars?
उत्तर
The sun and other stars obtain their energy from the nuclear fusion reactions of hydrogen. So, hydrogen can be considered a source of energy.
APPEARS IN
संबंधित प्रश्न
What are the characteristics of an ideal fuel (or good fuel)?
Name the type of nuclear reaction which is involved in the working of:
an atom bomb.
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
One type of energy which has not been controlled so far is:
(a) ocean thermal energy
(b) nuclear fusion energy
(c) geothermal energy
(d) nuclear fission energy
What changes will take place in the mass number and atomic number of the nucleus Y if it emits gamma radiations?
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.
The disposal of nuclear waste safely is a big challenge before scientists.
Analogy:
Kayatharu in Tirunelveli district:: Windmills.
Koodankulam in Tirunelveli district:: ______.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
Give a scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
