Advertisements
Advertisements
प्रश्न
What is the source of energy of sun or stars?
उत्तर
The source of energy in the sun and stars is the nucleus fusion of light nuclei such as hydrogen present in them in their inner parts. This takes place at a very high temperature and high pressure, due to which a helium nucleus is formed with the release of a high amount of energy.
APPEARS IN
संबंधित प्रश्न
Name the type of nuclear reaction which is involved in the working of:
a hydrogen bomb.
Name the moderator used in a nuclear reactor.
Where, in a nuclear power station, is uranium used up?
What is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
Calculate the energy released in joules when 5 g of a material is completely converted into energy doing a nuclear reaction.
The energy in the reactor of a nuclear power station is produced by the process of:
(a) nuclear diffusion
(b) nuclear fission
(c) nuclear fusion
(d) nuclear fermentation
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.
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
Which one of the following statements about alpha and beta particles is
correct?
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.
